22156336 has 20 divisors (see below), whose sum is σ = 43001712. Its totient is φ = 11059136.

The previous prime is 22156333. The next prime is 22156339. The reversal of 22156336 is 63365122.

It is an interprime number because it is at equal distance from previous prime (22156333) and next prime (22156339).

It is not an unprimeable number, because it can be changed into a prime (22156333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15525 + ... + 16891.

Almost surely, 2^22156336 is an apocalyptic number.

It is an amenable number.

22156336 is a deficient number, since it is larger than the sum of its proper divisors (20845376).

22156336 is a wasteful number, since it uses less digits than its factorization.

22156336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2388 (or 2382 counting only the distinct ones).

The product of its digits is 6480, while the sum is 28.

The square root of 22156336 is about 4707.0517311795. The cubic root of 22156336 is about 280.8660937537.

The spelling of 22156336 in words is "twenty-two million, one hundred fifty-six thousand, three hundred thirty-six".