22006251974 has 16 divisors (see below), whose sum is σ = 38288064768. Its totient is φ = 9290485512.

The previous prime is 22006251947. The next prime is 22006251997. The reversal of 22006251974 is 47915260022.

It is a congruent number.

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, 11729474 + ... + 11731349.

It is an arithmetic number, because the mean of its divisors is an integer number (2393004048).

Almost surely, 2^22006251974 is an apocalyptic number.

22006251974 is a deficient number, since it is larger than the sum of its proper divisors (16281812794).

22006251974 is a wasteful number, since it uses less digits than its factorization.

22006251974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23460899.

The product of its (nonzero) digits is 60480, while the sum is 38.

The spelling of 22006251974 in words is "twenty-two billion, six million, two hundred fifty-one thousand, nine hundred seventy-four".