22154645672 has 16 divisors (see below), whose sum is σ = 43346046240. Its totient is φ = 10595700016.

The previous prime is 22154645663. The next prime is 22154645707. The reversal of 22154645672 is 27654645122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60202658 + ... + 60203025.

It is an arithmetic number, because the mean of its divisors is an integer number (2709127890).

Almost surely, 2^22154645672 is an apocalyptic number.

It is an amenable number.

22154645672 is a deficient number, since it is larger than the sum of its proper divisors (21191400568).

22154645672 is a wasteful number, since it uses less digits than its factorization.

22154645672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120405712 (or 120405708 counting only the distinct ones).

The product of its digits is 806400, while the sum is 44.

The spelling of 22154645672 in words is "twenty-two billion, one hundred fifty-four million, six hundred forty-five thousand, six hundred seventy-two".