72422318 has 16 divisors (see below), whose sum is σ = 112039200. Its totient is φ = 35088000.

The previous prime is 72422291. The next prime is 72422341. The reversal of 72422318 is 81322427.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9458 + ... + 15306.

It is an arithmetic number, because the mean of its divisors is an integer number (7002450).

Almost surely, 2^72422318 is an apocalyptic number.

72422318 is a deficient number, since it is larger than the sum of its proper divisors (39616882).

72422318 is a wasteful number, since it uses less digits than its factorization.

72422318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6043.

The product of its digits is 5376, while the sum is 29.

The square root of 72422318 is about 8510.1303162760. The cubic root of 72422318 is about 416.8285654227.

The spelling of 72422318 in words is "seventy-two million, four hundred twenty-two thousand, three hundred eighteen".