815468022 has 24 divisors (see below), whose sum is σ = 1783061280. Its totient is φ = 269328240.

The previous prime is 815468009. The next prime is 815468029. The reversal of 815468022 is 220864518.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (815468029) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 205854 + ... + 209777.

It is an arithmetic number, because the mean of its divisors is an integer number (74294220).

Almost surely, 2^815468022 is an apocalyptic number.

815468022 is an abundant number, since it is smaller than the sum of its proper divisors (967593258).

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

815468022 is a wasteful number, since it uses less digits than its factorization.

815468022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415748 (or 415745 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 815468022 is about 28556.4007185780. The cubic root of 815468022 is about 934.2626315835.

It can be divided in two parts, 8154 and 68022, that added together give a square (76176 = 276²).

The spelling of 815468022 in words is "eight hundred fifteen million, four hundred sixty-eight thousand, twenty-two".