816464022 has 16 divisors (see below), whose sum is σ = 1781376192. Its totient is φ = 247413320.

The previous prime is 816464021. The next prime is 816464023. The reversal of 816464022 is 220464618.

It is an interprime number because it is at equal distance from previous prime (816464021) and next prime (816464023).

It is a super-2 number, since 2×816464022² = 1333226998440832968, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (816464021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6185268 + ... + 6185399.

It is an arithmetic number, because the mean of its divisors is an integer number (111336012).

Almost surely, 2^816464022 is an apocalyptic number.

816464022 is an abundant number, since it is smaller than the sum of its proper divisors (964912170).

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

816464022 is a wasteful number, since it uses less digits than its factorization.

816464022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12370683.

The product of its (nonzero) digits is 18432, while the sum is 33.

The square root of 816464022 is about 28573.8345694098. The cubic root of 816464022 is about 934.6428414628.

The spelling of 816464022 in words is "eight hundred sixteen million, four hundred sixty-four thousand, twenty-two".