72122222104 has 16 divisors (see below), whose sum is σ = 139892241600. Its totient is φ = 34817624352.

The previous prime is 72122222099. The next prime is 72122222119. The reversal of 72122222104 is 40122222127.

It is a happy number.

It is a super-2 number, since 2×72122222104² (a number of 23 digits) contains 22 as substring.

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, 155435592 + ... + 155436055.

It is an arithmetic number, because the mean of its divisors is an integer number (8743265100).

Almost surely, 2^72122222104 is an apocalyptic number.

It is an amenable number.

72122222104 is a deficient number, since it is larger than the sum of its proper divisors (67770019496).

72122222104 is a wasteful number, since it uses less digits than its factorization.

72122222104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310871682 (or 310871678 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 25.

The spelling of 72122222104 in words is "seventy-two billion, one hundred twenty-two million, two hundred twenty-two thousand, one hundred four".