22421011656 has 32 divisors (see below), whose sum is σ = 57567464640. Its totient is φ = 7271679168.

The previous prime is 22421011649. The next prime is 22421011661. The reversal of 22421011656 is 65611012422.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12623556 + ... + 12625331.

It is an arithmetic number, because the mean of its divisors is an integer number (1798983270).

Almost surely, 2^22421011656 is an apocalyptic number.

It is an amenable number.

22421011656 is an abundant number, since it is smaller than the sum of its proper divisors (35146452984).

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

22421011656 is a wasteful number, since it uses less digits than its factorization.

22421011656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25248933 (or 25248929 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The spelling of 22421011656 in words is "twenty-two billion, four hundred twenty-one million, eleven thousand, six hundred fifty-six".