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2231223012 = 223267925051
BaseRepresentation
bin1000010011111101…
…1100001011100100
312202111102212120100
42010333130023210
514032143114022
61005222504100
7106202040234
oct20477341344
95674385510
102231223012
11a45515967
12523295030
13297344205
14172487cc4
15d0d381ac
hex84fdc2e4

2231223012 has 36 divisors (see below), whose sum is σ = 5724221776. Its totient is φ = 732639600.

The previous prime is 2231222971. The next prime is 2231223053. The reversal of 2231223012 is 2103221322.

2231223012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2231222971) and next prime (2231223053).

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-3 number, since 3×22312230123 (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 460114 + ... + 464937.

Almost surely, 22231223012 is an apocalyptic number.

It is an amenable number.

2231223012 is an abundant number, since it is smaller than the sum of its proper divisors (3492998764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2231223012 is a wasteful number, since it uses less digits than its factorization.

2231223012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 925128 (or 925123 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2231223012 is about 47235.8233970786. The cubic root of 2231223012 is about 1306.7153520605.

Adding to 2231223012 its reverse (2103221322), we get a palindrome (4334444334).

The spelling of 2231223012 in words is "two billion, two hundred thirty-one million, two hundred twenty-three thousand, twelve".

Divisors: 1 2 3 4 6 9 12 18 36 67 134 201 268 402 603 804 1206 2412 925051 1850102 2775153 3700204 5550306 8325459 11100612 16650918 33301836 61978417 123956834 185935251 247913668 371870502 557805753 743741004 1115611506 2231223012