22396916 has 6 divisors (see below), whose sum is σ = 39194610. Its totient is φ = 11198456.

The previous prime is 22396901. The next prime is 22396921. The reversal of 22396916 is 61969322.

It can be written as a sum of positive squares in only one way, i.e., 22090000 + 306916 = 4700^2 + 554^2 .

It is a super-2 number, since 2×22396916² = 1003243692622112, 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 22396916.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2799611 + ... + 2799618.

It is an arithmetic number, because the mean of its divisors is an integer number (6532435).

Almost surely, 2^22396916 is an apocalyptic number.

It is an amenable number.

22396916 is a deficient number, since it is larger than the sum of its proper divisors (16797694).

22396916 is a wasteful number, since it uses less digits than its factorization.

22396916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5599233 (or 5599231 counting only the distinct ones).

The product of its digits is 34992, while the sum is 38.

The square root of 22396916 is about 4732.5380082996. The cubic root of 22396916 is about 281.8790118619.

The spelling of 22396916 in words is "twenty-two million, three hundred ninety-six thousand, nine hundred sixteen".