22101156040 has 64 divisors (see below), whose sum is σ = 49929384960. Its totient is φ = 8804678400.

The previous prime is 22101156037. The next prime is 22101156047. The reversal of 22101156040 is 4065110122.

It is a super-2 number, since 2×22101156040² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22101156047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14103337 + ... + 14104903.

It is an arithmetic number, because the mean of its divisors is an integer number (780146640).

Almost surely, 2^22101156040 is an apocalyptic number.

22101156040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22101156040 is an abundant number, since it is smaller than the sum of its proper divisors (27828228920).

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

22101156040 is a wasteful number, since it uses less digits than its factorization.

22101156040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2782 (or 2778 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 22101156040 its reverse (4065110122), we get a palindrome (26166266162).

The spelling of 22101156040 in words is "twenty-two billion, one hundred one million, one hundred fifty-six thousand, forty".