16422904 has 16 divisors (see below), whose sum is σ = 31509720. Its totient is φ = 8020320.

The previous prime is 16422899. The next prime is 16422907. The reversal of 16422904 is 40922461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16422907) 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, 23527 + ... + 24214.

Almost surely, 2^16422904 is an apocalyptic number.

It is an amenable number.

16422904 is a deficient number, since it is larger than the sum of its proper divisors (15086816).

16422904 is a wasteful number, since it uses less digits than its factorization.

16422904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47790 (or 47786 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 16422904 is about 4052.5182294470. The cubic root of 16422904 is about 254.1850388702.

The spelling of 16422904 in words is "sixteen million, four hundred twenty-two thousand, nine hundred four".