22201916 has 24 divisors (see below), whose sum is σ = 42559104. Its totient is φ = 10050480.

The previous prime is 22201909. The next prime is 22201931. The reversal of 22201916 is 61910222.

It is a junction number, because it is equal to n+sod(n) for n = 22201891 and 22201900.

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, 11561 + ... + 13343.

It is an arithmetic number, because the mean of its divisors is an integer number (1773296).

Almost surely, 2^22201916 is an apocalyptic number.

It is an amenable number.

22201916 is a deficient number, since it is larger than the sum of its proper divisors (20357188).

22201916 is a wasteful number, since it uses less digits than its factorization.

22201916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2081 (or 2079 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 22201916 is about 4711.8909155455. The cubic root of 22201916 is about 281.0585610146.

The spelling of 22201916 in words is "twenty-two million, two hundred one thousand, nine hundred sixteen".