7222872 has 16 divisors (see below), whose sum is σ = 18057240. Its totient is φ = 2407616.

The previous prime is 7222849. The next prime is 7222903. The reversal of 7222872 is 2782227.

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, 150453 + ... + 150500.

Almost surely, 2^7222872 is an apocalyptic number.

It is an amenable number.

7222872 is an abundant number, since it is smaller than the sum of its proper divisors (10834368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7222872 is a wasteful number, since it uses less digits than its factorization.

7222872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300962 (or 300958 counting only the distinct ones).

The product of its digits is 6272, while the sum is 30.

The square root of 7222872 is about 2687.5401392351. The cubic root of 7222872 is about 193.3021299886.

The spelling of 7222872 in words is "seven million, two hundred twenty-two thousand, eight hundred seventy-two".