82798022 has 12 divisors (see below), whose sum is σ = 129833340. Its totient is φ = 39598548.

The previous prime is 82798021. The next prime is 82798043. The reversal of 82798022 is 22089728.

It is a super-2 number, since 2×82798022² = 13711024894224968, which contains 22 as substring.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82798021) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 38072 + ... + 40187.

It is an arithmetic number, because the mean of its divisors is an integer number (10819445).

Almost surely, 2^82798022 is an apocalyptic number.

82798022 is a deficient number, since it is larger than the sum of its proper divisors (47035318).

82798022 is a wasteful number, since it uses less digits than its factorization.

82798022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78307 (or 78284 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 82798022 is about 9099.3418443314. The cubic root of 82798022 is about 435.8529474904.

The spelling of 82798022 in words is "eighty-two million, seven hundred ninety-eight thousand, twenty-two".