22321620996 has 12 divisors (see below), whose sum is σ = 52083782352. Its totient is φ = 7440540328.

The previous prime is 22321620953. The next prime is 22321621159. The reversal of 22321620996 is 69902612322.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×22321620996³ (a number of 32 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its 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, 930067530 + ... + 930067553.

It is an arithmetic number, because the mean of its divisors is an integer number (4340315196).

Almost surely, 2^22321620996 is an apocalyptic number.

It is an amenable number.

22321620996 is an abundant number, since it is smaller than the sum of its proper divisors (29762161356).

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

22321620996 is a wasteful number, since it uses less digits than its factorization.

22321620996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1860135090 (or 1860135088 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 42.

The spelling of 22321620996 in words is "twenty-two billion, three hundred twenty-one million, six hundred twenty thousand, nine hundred ninety-six".