422641044 has 48 divisors (see below), whose sum is σ = 1252272000. Its totient is φ = 120754368.

The previous prime is 422640989. The next prime is 422641057. The reversal of 422641044 is 440146224.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 422640999 and 422641017.

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, 278769 + ... + 280280.

It is an arithmetic number, because the mean of its divisors is an integer number (26089000).

Almost surely, 2^422641044 is an apocalyptic number.

It is an amenable number.

422641044 is an abundant number, since it is smaller than the sum of its proper divisors (829630956).

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

422641044 is a wasteful number, since it uses less digits than its factorization.

422641044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 559069 (or 559061 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

The square root of 422641044 is about 20558.2354301141. The cubic root of 422641044 is about 750.4536775136.

Adding to 422641044 its reverse (440146224), we get a palindrome (862787268).

The spelling of 422641044 in words is "four hundred twenty-two million, six hundred forty-one thousand, forty-four".