22015396 has 48 divisors (see below), whose sum is σ = 43182720. Its totient is φ = 9757440.

The previous prime is 22015387. The next prime is 22015397. The reversal of 22015396 is 69351022.

It is a super-2 number, since 2×22015396² = 969355322073632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22015397) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 247320 + ... + 247408.

It is an arithmetic number, because the mean of its divisors is an integer number (899640).

Almost surely, 2^22015396 is an apocalyptic number.

22015396 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

22015396 is a deficient number, since it is larger than the sum of its proper divisors (21167324).

22015396 is a wasteful number, since it uses less digits than its factorization.

22015396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244 (or 242 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 22015396 is about 4692.0566918996. The cubic root of 22015396 is about 280.2692817595.

The spelling of 22015396 in words is "twenty-two million, fifteen thousand, three hundred ninety-six".