424422444 has 24 divisors (see below), whose sum is σ = 1002856960. Its totient is φ = 139683024.

The previous prime is 424422431. The next prime is 424422499. The reversal of 424422444 is 444224424.

It is a nude number because it is divisible by every one of its digits.

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, 222904 + ... + 224799.

Almost surely, 2^424422444 is an apocalyptic number.

It is an amenable number.

424422444 is an abundant number, since it is smaller than the sum of its proper divisors (578434516).

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

424422444 is a wasteful number, since it uses less digits than its factorization.

424422444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447789 (or 447787 counting only the distinct ones).

The product of its digits is 32768, while the sum is 30.

The square root of 424422444 is about 20601.5155753163. The cubic root of 424422444 is about 751.5065680882.

Adding to 424422444 its reverse (444224424), we get a palindrome (868646868).

The spelling of 424422444 in words is "four hundred twenty-four million, four hundred twenty-two thousand, four hundred forty-four".