22156085953 has 8 divisors (see below), whose sum is σ = 23457009600. Its totient is φ = 20868643728.

The previous prime is 22156085923. The next prime is 22156085957. The reversal of 22156085953 is 35958065122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22156085953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22156085957) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3366973 + ... + 3373546.

It is an arithmetic number, because the mean of its divisors is an integer number (2932126200).

Almost surely, 2^22156085953 is an apocalyptic number.

It is an amenable number.

22156085953 is a deficient number, since it is larger than the sum of its proper divisors (1300923647).

22156085953 is a wasteful number, since it uses less digits than its factorization.

22156085953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6740711.

The product of its (nonzero) digits is 648000, while the sum is 46.

The spelling of 22156085953 in words is "twenty-two billion, one hundred fifty-six million, eighty-five thousand, nine hundred fifty-three".