16422804 has 24 divisors (see below), whose sum is σ = 42577920. Its totient is φ = 5474232.

The previous prime is 16422803. The next prime is 16422829. The reversal of 16422804 is 40822461.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16422803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75924 + ... + 76139.

It is an arithmetic number, because the mean of its divisors is an integer number (1774080).

Almost surely, 2^16422804 is an apocalyptic number.

It is an amenable number.

16422804 is an abundant number, since it is smaller than the sum of its proper divisors (26155116).

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

16422804 is a wasteful number, since it uses less digits than its factorization.

16422804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152076 (or 152068 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 16422804 is about 4052.5058914208. The cubic root of 16422804 is about 254.1845229534.

The spelling of 16422804 in words is "sixteen million, four hundred twenty-two thousand, eight hundred four".