Search a number
-
+
2231223002 = 21115611501
BaseRepresentation
bin1000010011111101…
…1100001011011010
312202111102212112222
42010333130023122
514032143114002
61005222504042
7106202040221
oct20477341332
95674385488
102231223002
11a45515958
12523295022
132973441c8
14172487cb8
15d0d381a2
hex84fdc2da

2231223002 has 4 divisors (see below), whose sum is σ = 3346834506. Its totient is φ = 1115611500.

The previous prime is 2231222971. The next prime is 2231223053. The reversal of 2231223002 is 2003221322.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2207026441 + 24196561 = 46979^2 + 4919^2 .

It is a super-3 number, since 3×22312230023 (a number of 29 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 557805749 + ... + 557805752.

Almost surely, 22231223002 is an apocalyptic number.

2231223002 is a deficient number, since it is larger than the sum of its proper divisors (1115611504).

2231223002 is a wasteful number, since it uses less digits than its factorization.

2231223002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1115611503.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 2231223002 is about 47235.8232912268. The cubic root of 2231223002 is about 1306.7153501084.

Adding to 2231223002 its reverse (2003221322), we get a palindrome (4234444324).

The spelling of 2231223002 in words is "two billion, two hundred thirty-one million, two hundred twenty-three thousand, two".

Divisors: 1 2 1115611501 2231223002