38890557222 has 32 divisors (see below), whose sum is σ = 85692259584. Its totient is φ = 11668332000.

The previous prime is 38890557203. The next prime is 38890557289. The reversal of 38890557222 is 22275509883.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2910418 + ... + 2923749.

It is an arithmetic number, because the mean of its divisors is an integer number (2677883112).

Almost surely, 2^38890557222 is an apocalyptic number.

38890557222 is an abundant number, since it is smaller than the sum of its proper divisors (46801702362).

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

38890557222 is a wasteful number, since it uses less digits than its factorization.

38890557222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5834284.

The product of its (nonzero) digits is 2419200, while the sum is 51.

The spelling of 38890557222 in words is "thirty-eight billion, eight hundred ninety million, five hundred fifty-seven thousand, two hundred twenty-two".