22311012032 has 28 divisors (see below), whose sum is σ = 44282593680. Its totient is φ = 11153193216.

The previous prime is 22311012019. The next prime is 22311012037. The reversal of 22311012032 is 23021011322.

It is a super-3 number, since 3×22311012032³ (a number of 32 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22311012032.

It is not an unprimeable number, because it can be changed into a prime (22311012037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 299069 + ... + 366147.

Almost surely, 2^22311012032 is an apocalyptic number.

It is an amenable number.

22311012032 is a deficient number, since it is larger than the sum of its proper divisors (21971581648).

22311012032 is an equidigital number, since it uses as much as digits as its factorization.

22311012032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72288 (or 72278 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 22311012032 its reverse (23021011322), we get a palindrome (45332023354).

The spelling of 22311012032 in words is "twenty-two billion, three hundred eleven million, twelve thousand, thirty-two".