38222919939 has 16 divisors (see below), whose sum is σ = 51782022144. Its totient is φ = 25074504000.

The previous prime is 38222919923. The next prime is 38222919941. The reversal of 38222919939 is 93991922283.

It is not a de Polignac number, because 38222919939 - 2⁴ = 38222919923 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38222919919) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108087 + ... + 296864.

It is an arithmetic number, because the mean of its divisors is an integer number (3236376384).

Almost surely, 2^38222919939 is an apocalyptic number.

38222919939 is a deficient number, since it is larger than the sum of its proper divisors (13559102205).

38222919939 is a wasteful number, since it uses less digits than its factorization.

38222919939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405458.

The product of its digits is 3779136, while the sum is 57.

The spelling of 38222919939 in words is "thirty-eight billion, two hundred twenty-two million, nine hundred nineteen thousand, nine hundred thirty-nine".