422642048 has 64 divisors (see below), whose sum is σ = 867179520. Its totient is φ = 205079040.

The previous prime is 422641991. The next prime is 422642069. The reversal of 422642048 is 840246224.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 980393 + ... + 980823.

It is an arithmetic number, because the mean of its divisors is an integer number (13549680).

Almost surely, 2^422642048 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 422642048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (433589760).

422642048 is an abundant number, since it is smaller than the sum of its proper divisors (444537472).

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

422642048 is a wasteful number, since it uses less digits than its factorization.

422642048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655 (or 643 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 32.

The square root of 422642048 is about 20558.2598485378. The cubic root of 422642048 is about 750.4542717570.

The spelling of 422642048 in words is "four hundred twenty-two million, six hundred forty-two thousand, forty-eight".