16625622 has 16 divisors (see below), whose sum is σ = 35809200. Its totient is φ = 5115552.

The previous prime is 16625597. The next prime is 16625663. The reversal of 16625622 is 22652661.

It is a super-2 number, since 2×16625622² = 552822613773768, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 16625622.

It is a congruent number.

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, 106497 + ... + 106652.

It is an arithmetic number, because the mean of its divisors is an integer number (2238075).

Almost surely, 2^16625622 is an apocalyptic number.

16625622 is an abundant number, since it is smaller than the sum of its proper divisors (19183578).

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

16625622 is a wasteful number, since it uses less digits than its factorization.

16625622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213167.

The product of its digits is 8640, while the sum is 30.

The square root of 16625622 is about 4077.4528813954. The cubic root of 16625622 is about 255.2266189973.

The spelling of 16625622 in words is "sixteen million, six hundred twenty-five thousand, six hundred twenty-two".