84731022 has 20 divisors (see below), whose sum is σ = 189860616. Its totient is φ = 28243620.

The previous prime is 84730991. The next prime is 84731039. The reversal of 84731022 is 22013748.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 261354 + ... + 261677.

Almost surely, 2^84731022 is an apocalyptic number.

84731022 is an abundant number, since it is smaller than the sum of its proper divisors (105129594).

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

84731022 is a wasteful number, since it uses less digits than its factorization.

84731022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523045 (or 523036 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 84731022 is about 9204.9455185786. The cubic root of 84731022 is about 439.2186926560.

The spelling of 84731022 in words is "eighty-four million, seven hundred thirty-one thousand, twenty-two".