422331404 has 24 divisors (see below), whose sum is σ = 814589328. Its totient is φ = 189987840.

The previous prime is 422331367. The next prime is 422331421. The reversal of 422331404 is 404133224.

It is a super-2 number, since 2×422331404² = 356727629609222432, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 422331404.

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, 45209 + ... + 53744.

It is an arithmetic number, because the mean of its divisors is an integer number (33941222).

Almost surely, 2^422331404 is an apocalyptic number.

422331404 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

422331404 is a deficient number, since it is larger than the sum of its proper divisors (392257924).

422331404 is a wasteful number, since it uses less digits than its factorization.

422331404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99065 (or 99063 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 422331404 is about 20550.7032483076. The cubic root of 422331404 is about 750.2703641555.

Adding to 422331404 its reverse (404133224), we get a palindrome (826464628).

The spelling of 422331404 in words is "four hundred twenty-two million, three hundred thirty-one thousand, four hundred four".