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2220310230 = 235103718547
BaseRepresentation
bin1000010001010111…
…0011111011010110
312201201220110001020
42010111303323112
514021344411410
61004152542010
7106010216445
oct20425637326
95651813036
102220310230
11a3a341a36
1251b6b1906
13294cc3048
14170c46d5c
15cedcea70
hex84573ed6

2220310230 has 32 divisors (see below), whose sum is σ = 5380487424. Its totient is φ = 586333536.

The previous prime is 2220310217. The next prime is 2220310249. The reversal of 2220310230 is 320130222.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

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 in 15 ways as a sum of consecutive naturals, for example, 356184 + ... + 362363.

It is an arithmetic number, because the mean of its divisors is an integer number (168140232).

Almost surely, 22220310230 is an apocalyptic number.

2220310230 is an abundant number, since it is smaller than the sum of its proper divisors (3160177194).

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

2220310230 is a wasteful number, since it uses less digits than its factorization.

2220310230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718660.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 2220310230 is about 47120.1679750826. The cubic root of 2220310230 is about 1304.5815131770.

Adding to 2220310230 its reverse (320130222), we get a palindrome (2540440452).

The spelling of 2220310230 in words is "two billion, two hundred twenty million, three hundred ten thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 103 206 309 515 618 1030 1545 3090 718547 1437094 2155641 3592735 4311282 7185470 10778205 21556410 74010341 148020682 222031023 370051705 444062046 740103410 1110155115 2220310230