82122604 has 24 divisors (see below), whose sum is σ = 153457920. Its totient is φ = 38360784.

The previous prime is 82122589. The next prime is 82122613. The reversal of 82122604 is 40622128.

It is a happy 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, 6424 + ... + 14335.

It is an arithmetic number, because the mean of its divisors is an integer number (6394080).

Almost surely, 2^82122604 is an apocalyptic number.

It is an amenable number.

82122604 is a deficient number, since it is larger than the sum of its proper divisors (71335316).

82122604 is a wasteful number, since it uses less digits than its factorization.

82122604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20829 (or 20827 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 82122604 is about 9062.1522829844. The cubic root of 82122604 is about 434.6645654713.

It can be divided in two parts, 8212 and 2604, that added together give a square (10816 = 104²).

The spelling of 82122604 in words is "eighty-two million, one hundred twenty-two thousand, six hundred four".