422097264 has 80 divisors (see below), whose sum is σ = 1214922240. Its totient is φ = 140310720.

The previous prime is 422097259. The next prime is 422097283. The reversal of 422097264 is 462790224.

It is a super-2 number, since 2×422097264² = 356332200552571392, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 185059 + ... + 187325.

It is an arithmetic number, because the mean of its divisors is an integer number (15186528).

Almost surely, 2^422097264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 422097264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (607461120).

422097264 is an abundant number, since it is smaller than the sum of its proper divisors (792824976).

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

422097264 is a wasteful number, since it uses less digits than its factorization.

422097264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2715 (or 2703 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 422097264 is about 20545.0058164995. The cubic root of 422097264 is about 750.1316888760.

The spelling of 422097264 in words is "four hundred twenty-two million, ninety-seven thousand, two hundred sixty-four".