16622412 has 24 divisors (see below), whose sum is σ = 38864112. Its totient is φ = 5529600.

The previous prime is 16622407. The next prime is 16622513. The reversal of 16622412 is 21422661.

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, 6612 + ... + 8772.

It is an arithmetic number, because the mean of its divisors is an integer number (1619338).

Almost surely, 2^16622412 is an apocalyptic number.

16622412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16622412 is an abundant number, since it is smaller than the sum of its proper divisors (22241700).

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

16622412 is a wasteful number, since it uses less digits than its factorization.

16622412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2809 (or 2807 counting only the distinct ones).

The product of its digits is 1152, while the sum is 24.

The square root of 16622412 is about 4077.0592343011. The cubic root of 16622412 is about 255.2101919391.

It can be divided in two parts, 166 and 22412, that added together give a triangular number (22578 = T₂₁₂).

The spelling of 16622412 in words is "sixteen million, six hundred twenty-two thousand, four hundred twelve".