422691264 has 112 divisors (see below), whose sum is σ = 1315821600. Its totient is φ = 132599808.

The previous prime is 422691259. The next prime is 422691307. The reversal of 422691264 is 462196224.

It is a super-3 number, since 3×422691264³ (a number of 27 digits) contains 333 as substring.

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

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 22182 + ... + 36570.

Almost surely, 2^422691264 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 422691264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (657910800).

422691264 is an abundant number, since it is smaller than the sum of its proper divisors (893130336).

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

422691264 is a wasteful number, since it uses less digits than its factorization.

422691264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14427 (or 14411 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 422691264 is about 20559.4568021628. The cubic root of 422691264 is about 750.4834003652.

The spelling of 422691264 in words is "four hundred twenty-two million, six hundred ninety-one thousand, two hundred sixty-four".