422044512 has 96 divisors (see below), whose sum is σ = 1140622560. Its totient is φ = 136581120.

The previous prime is 422044489. The next prime is 422044517. The reversal of 422044512 is 215440224.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422044517) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 554212 + ... + 554972.

It is an arithmetic number, because the mean of its divisors is an integer number (11881485).

Almost surely, 2^422044512 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 422044512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (570311280).

422044512 is an abundant number, since it is smaller than the sum of its proper divisors (718578048).

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

422044512 is a wasteful number, since it uses less digits than its factorization.

422044512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 936 (or 928 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 422044512 is about 20543.7219607354. The cubic root of 422044512 is about 750.1004381045.

Adding to 422044512 its reverse (215440224), we get a palindrome (637484736).

The spelling of 422044512 in words is "four hundred twenty-two million, forty-four thousand, five hundred twelve".