422623352 has 8 divisors (see below), whose sum is σ = 792418800. Its totient is φ = 211311672.

The previous prime is 422623319. The next prime is 422623363. The reversal of 422623352 is 253326224.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×422623352² = 357220995311431808, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26413952 + ... + 26413967.

It is an arithmetic number, because the mean of its divisors is an integer number (99052350).

Almost surely, 2^422623352 is an apocalyptic number.

It is an amenable number.

422623352 is a deficient number, since it is larger than the sum of its proper divisors (369795448).

422623352 is a wasteful number, since it uses less digits than its factorization.

422623352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52827925 (or 52827921 counting only the distinct ones).

The product of its digits is 17280, while the sum is 29.

The square root of 422623352 is about 20557.8051357629. The cubic root of 422623352 is about 750.4432058916.

Adding to 422623352 its reverse (253326224), we get a palindrome (675949576).

The spelling of 422623352 in words is "four hundred twenty-two million, six hundred twenty-three thousand, three hundred fifty-two".