100522222172 has 12 divisors (see below), whose sum is σ = 175916134800. Its totient is φ = 50260469376.

The previous prime is 100522222123. The next prime is 100522222183. The reversal of 100522222172 is 271222225001.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 450668 + ... + 635724.

It is an arithmetic number, because the mean of its divisors is an integer number (14659677900).

Almost surely, 2^100522222172 is an apocalyptic number.

It is an amenable number.

100522222172 is a deficient number, since it is larger than the sum of its proper divisors (75393912628).

100522222172 is a wasteful number, since it uses less digits than its factorization.

100522222172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320860 (or 320858 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 26.

Adding to 100522222172 its reverse (271222225001), we get a palindrome (371744447173).

The spelling of 100522222172 in words is "one hundred billion, five hundred twenty-two million, two hundred twenty-two thousand, one hundred seventy-two".