8390022 has 16 divisors (see below), whose sum is σ = 16848432. Its totient is φ = 2785280.

The previous prime is 8390021. The next prime is 8390029. The reversal of 8390022 is 2200938.

It is a junction number, because it is equal to n+sod(n) for n = 8389974 and 8390001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8390021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1179 + ... + 4262.

It is an arithmetic number, because the mean of its divisors is an integer number (1053027).

Almost surely, 2^8390022 is an apocalyptic number.

8390022 is an abundant number, since it is smaller than the sum of its proper divisors (8458410).

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

8390022 is a wasteful number, since it uses less digits than its factorization.

8390022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5703.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 8390022 is about 2896.5534692113. The cubic root of 8390022 is about 203.1987505607.

The spelling of 8390022 in words is "eight million, three hundred ninety thousand, twenty-two".