22311385156 has 12 divisors (see below), whose sum is σ = 39059240080. Its totient is φ = 11151602280.

The previous prime is 22311385147. The next prime is 22311385199. The reversal of 22311385156 is 65158311322.

It is a super-3 number, since 3×22311385156³ (a number of 32 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1010286 + ... + 1032133.

Almost surely, 2^22311385156 is an apocalyptic number.

It is an amenable number.

22311385156 is a deficient number, since it is larger than the sum of its proper divisors (16747854924).

22311385156 is a wasteful number, since it uses less digits than its factorization.

22311385156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2045154 (or 2045152 counting only the distinct ones).

The product of its digits is 43200, while the sum is 37.

Adding to 22311385156 its reverse (65158311322), we get a palindrome (87469696478).

The spelling of 22311385156 in words is "twenty-two billion, three hundred eleven million, three hundred eighty-five thousand, one hundred fifty-six".