422023224 has 64 divisors (see below), whose sum is σ = 1226246400. Its totient is φ = 118531584.

The previous prime is 422023201. The next prime is 422023229. The reversal of 422023224 is 422320224.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 422023224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422023229) 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, 11377 + ... + 31200.

It is an arithmetic number, because the mean of its divisors is an integer number (19160100).

Almost surely, 2^422023224 is an apocalyptic number.

It is an amenable number.

422023224 is an abundant number, since it is smaller than the sum of its proper divisors (804223176).

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

422023224 is a wasteful number, since it uses less digits than its factorization.

422023224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42652 (or 42648 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 422023224 is about 20543.2038397130. The cubic root of 422023224 is about 750.0878261595.

Adding to 422023224 its reverse (422320224), we get a palindrome (844343448).

The spelling of 422023224 in words is "four hundred twenty-two million, twenty-three thousand, two hundred twenty-four".