72422888 has 16 divisors (see below), whose sum is σ = 135977280. Its totient is φ = 36162288.

The previous prime is 72422887. The next prime is 72422899. The reversal of 72422888 is 88822427.

It is not an unprimeable number, because it can be changed into a prime (72422887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 545 + ... + 12047.

It is an arithmetic number, because the mean of its divisors is an integer number (8498580).

Almost surely, 2^72422888 is an apocalyptic number.

It is an amenable number.

72422888 is a deficient number, since it is larger than the sum of its proper divisors (63554392).

72422888 is a wasteful number, since it uses less digits than its factorization.

72422888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12296 (or 12292 counting only the distinct ones).

The product of its digits is 114688, while the sum is 41.

The square root of 72422888 is about 8510.1638057090. The cubic root of 72422888 is about 416.8296589699.

The spelling of 72422888 in words is "seventy-two million, four hundred twenty-two thousand, eight hundred eighty-eight".