22068516 has 24 divisors (see below), whose sum is σ = 54522720. Its totient is φ = 6923392.

The previous prime is 22068509. The next prime is 22068547. The reversal of 22068516 is 61586022.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53886 + ... + 54293.

It is an arithmetic number, because the mean of its divisors is an integer number (2271780).

Almost surely, 2^22068516 is an apocalyptic number.

It is an amenable number.

22068516 is an abundant number, since it is smaller than the sum of its proper divisors (32454204).

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

22068516 is a wasteful number, since it uses less digits than its factorization.

22068516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108203 (or 108201 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 22068516 is about 4697.7139121066. The cubic root of 22068516 is about 280.4945172590.

The spelling of 22068516 in words is "twenty-two million, sixty-eight thousand, five hundred sixteen".