38222172496 has 40 divisors (see below), whose sum is σ = 78911188200. Its totient is φ = 17872318464.

The previous prime is 38222172437. The next prime is 38222172509. The reversal of 38222172496 is 69427122283.

It can be written as a sum of positive squares in 4 ways, for example, as 16358410000 + 21863762496 = 127900^2 + 147864^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 404821 + ... + 490228.

It is an arithmetic number, because the mean of its divisors is an integer number (1972779705).

Almost surely, 2^38222172496 is an apocalyptic number.

It is an amenable number.

38222172496 is an abundant number, since it is smaller than the sum of its proper divisors (40689015704).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38222172496 is a wasteful number, since it uses less digits than its factorization.

38222172496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 895231 (or 895225 counting only the distinct ones).

The product of its digits is 580608, while the sum is 46.

The spelling of 38222172496 in words is "thirty-eight billion, two hundred twenty-two million, one hundred seventy-two thousand, four hundred ninety-six".