422994404 has 12 divisors (see below), whose sum is σ = 845988864. Its totient is φ = 181283304.

The previous prime is 422994401. The next prime is 422994409. The reversal of 422994404 is 404499224.

422994404 is an admirable number.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (422994401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7553444 + ... + 7553499.

It is an arithmetic number, because the mean of its divisors is an integer number (70499072).

Almost surely, 2^422994404 is an apocalyptic number.

It is an amenable number.

422994404 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

422994404 is a wasteful number, since it uses less digits than its factorization.

422994404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15106954 (or 15106952 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 38.

The square root of 422994404 is about 20566.8277573378. The cubic root of 422994404 is about 750.6627646700.

The spelling of 422994404 in words is "four hundred twenty-two million, nine hundred ninety-four thousand, four hundred four".