72246922 has 24 divisors (see below), whose sum is σ = 120657600. Its totient is φ = 32415240.

The previous prime is 72246919. The next prime is 72246929. The reversal of 72246922 is 22964227.

It is not an unprimeable number, because it can be changed into a prime (72246929) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17229 + ... + 21007.

It is an arithmetic number, because the mean of its divisors is an integer number (5027400).

Almost surely, 2^72246922 is an apocalyptic number.

72246922 is a deficient number, since it is larger than the sum of its proper divisors (48410678).

72246922 is a wasteful number, since it uses less digits than its factorization.

72246922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3882 (or 3871 counting only the distinct ones).

The product of its digits is 24192, while the sum is 34.

The square root of 72246922 is about 8499.8189392481. The cubic root of 72246922 is about 416.4917946355.

The spelling of 72246922 in words is "seventy-two million, two hundred forty-six thousand, nine hundred twenty-two".