82282290 has 32 divisors (see below), whose sum is σ = 200719296. Its totient is φ = 21581760.

The previous prime is 82282273. The next prime is 82282303. The reversal of 82282290 is 9228228.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20652 + ... + 24311.

It is an arithmetic number, because the mean of its divisors is an integer number (6272478).

Almost surely, 2^82282290 is an apocalyptic number.

82282290 is an abundant number, since it is smaller than the sum of its proper divisors (118437006).

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

82282290 is a wasteful number, since it uses less digits than its factorization.

82282290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45034.

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 82282290 is about 9070.9586042491. The cubic root of 82282290 is about 434.9461156666.

The spelling of 82282290 in words is "eighty-two million, two hundred eighty-two thousand, two hundred ninety".