22038889942 has 4 divisors (see below), whose sum is σ = 33058334916. Its totient is φ = 11019444970.

The previous prime is 22038889933. The next prime is 22038889973. The reversal of 22038889942 is 24998883022.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5509722484 + ... + 5509722487.

It is an arithmetic number, because the mean of its divisors is an integer number (8264583729).

Almost surely, 2^22038889942 is an apocalyptic number.

22038889942 is a deficient number, since it is larger than the sum of its proper divisors (11019444974).

22038889942 is a wasteful number, since it uses less digits than its factorization.

22038889942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11019444973.

The product of its (nonzero) digits is 3981312, while the sum is 55.

The spelling of 22038889942 in words is "twenty-two billion, thirty-eight million, eight hundred eighty-nine thousand, nine hundred forty-two".