72212204 has 12 divisors (see below), whose sum is σ = 130729200. Its totient is φ = 34861008.

The previous prime is 72212191. The next prime is 72212207. The reversal of 72212204 is 40221227.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (72212207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 311144 + ... + 311375.

It is an arithmetic number, because the mean of its divisors is an integer number (10894100).

Almost surely, 2^72212204 is an apocalyptic number.

It is an amenable number.

72212204 is a deficient number, since it is larger than the sum of its proper divisors (58516996).

72212204 is a wasteful number, since it uses less digits than its factorization.

72212204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622552 (or 622550 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 72212204 is about 8497.7764150394. The cubic root of 72212204 is about 416.4250693987.

The spelling of 72212204 in words is "seventy-two million, two hundred twelve thousand, two hundred four".