82022004 has 24 divisors (see below), whose sum is σ = 212649920. Its totient is φ = 27340632.

The previous prime is 82021949. The next prime is 82022023. The reversal of 82022004 is 40022028.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent 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, 379624 + ... + 379839.

Almost surely, 2^82022004 is an apocalyptic number.

It is an amenable number.

82022004 is an abundant number, since it is smaller than the sum of its proper divisors (130627916).

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

82022004 is a wasteful number, since it uses less digits than its factorization.

82022004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 759476 (or 759468 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 82022004 is about 9056.6000242917. The cubic root of 82022004 is about 434.4870052521.

The spelling of 82022004 in words is "eighty-two million, twenty-two thousand, four".