422444404 has 48 divisors (see below), whose sum is σ = 815431680. Its totient is φ = 190602720.

The previous prime is 422444371. The next prime is 422444411. The reversal of 422444404 is 404444224.

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, 669169 + ... + 669799.

It is an arithmetic number, because the mean of its divisors is an integer number (16988160).

Almost surely, 2^422444404 is an apocalyptic number.

It is an amenable number.

422444404 is a deficient number, since it is larger than the sum of its proper divisors (392987276).

422444404 is a wasteful number, since it uses less digits than its factorization.

422444404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1060 (or 1058 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

The square root of 422444404 is about 20553.4523620729. The cubic root of 422444404 is about 750.3372728992.

Adding to 422444404 its reverse (404444224), we get a palindrome (826888628).

The spelling of 422444404 in words is "four hundred twenty-two million, four hundred forty-four thousand, four hundred four".