82204290 has 48 divisors (see below), whose sum is σ = 244266048. Its totient is φ = 18789408.

The previous prime is 82204259. The next prime is 82204301. The reversal of 82204290 is 9240228.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 64612 + ... + 65871.

It is an arithmetic number, because the mean of its divisors is an integer number (5088876).

Almost surely, 2^82204290 is an apocalyptic number.

82204290 is an abundant number, since it is smaller than the sum of its proper divisors (162061758).

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

82204290 is a wasteful number, since it uses less digits than its factorization.

82204290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130503 (or 130500 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 82204290 is about 9066.6581495058. The cubic root of 82204290 is about 434.8086356057.

The spelling of 82204290 in words is "eighty-two million, two hundred four thousand, two hundred ninety".