16422456 has 16 divisors (see below), whose sum is σ = 41056200. Its totient is φ = 5474144.

The previous prime is 16422451. The next prime is 16422457. The reversal of 16422456 is 65422461.

It is a super-2 number, since 2×16422456² = 539394122143872, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16422451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 342111 + ... + 342158.

Almost surely, 2^16422456 is an apocalyptic number.

It is an amenable number.

16422456 is an abundant number, since it is smaller than the sum of its proper divisors (24633744).

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

16422456 is a wasteful number, since it uses less digits than its factorization.

16422456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684278 (or 684274 counting only the distinct ones).

The product of its digits is 11520, while the sum is 30.

The square root of 16422456 is about 4052.4629547967. The cubic root of 16422456 is about 254.1827275467.

The spelling of 16422456 in words is "sixteen million, four hundred twenty-two thousand, four hundred fifty-six".