22316781156 has 24 divisors (see below), whose sum is σ = 52214386560. Its totient is φ = 7418656032.

The previous prime is 22316781043. The next prime is 22316781167. The reversal of 22316781156 is 65118761322.

It is a happy number.

It is a super-3 number, since 3×22316781156³ (a number of 32 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2529291 + ... + 2538098.

It is an arithmetic number, because the mean of its divisors is an integer number (2175599440).

Almost surely, 2^22316781156 is an apocalyptic number.

It is an amenable number.

22316781156 is an abundant number, since it is smaller than the sum of its proper divisors (29897605404).

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

22316781156 is a wasteful number, since it uses less digits than its factorization.

22316781156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5067763 (or 5067761 counting only the distinct ones).

The product of its digits is 120960, while the sum is 42.

The spelling of 22316781156 in words is "twenty-two billion, three hundred sixteen million, seven hundred eighty-one thousand, one hundred fifty-six".