2238155971922 has 32 divisors (see below), whose sum is σ = 3773234731392. Its totient is φ = 987936326784.

The previous prime is 2238155971903. The next prime is 2238155971937. The reversal of 2238155971922 is 2291795518322.

2238155971922 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2238155971922² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3827573 + ... + 4373399.

It is an arithmetic number, because the mean of its divisors is an integer number (117913585356).

Almost surely, 2^{2238155971922} is an apocalyptic number.

2238155971922 is a deficient number, since it is larger than the sum of its proper divisors (1535078759470).

2238155971922 is a wasteful number, since it uses less digits than its factorization.

2238155971922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 552722.

The product of its digits is 5443200, while the sum is 56.

The spelling of 2238155971922 in words is "two trillion, two hundred thirty-eight billion, one hundred fifty-five million, nine hundred seventy-one thousand, nine hundred twenty-two".