22136456 has 16 divisors (see below), whose sum is σ = 41556240. Its totient is φ = 11054800.

The previous prime is 22136453. The next prime is 22136459. The reversal of 22136456 is 65463122.

It is an interprime number because it is at equal distance from previous prime (22136453) and next prime (22136459).

It is not an unprimeable number, because it can be changed into a prime (22136453) 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, 10655 + ... + 12561.

It is an arithmetic number, because the mean of its divisors is an integer number (2597265).

Almost surely, 2^22136456 is an apocalyptic number.

It is an amenable number.

22136456 is a deficient number, since it is larger than the sum of its proper divisors (19419784).

22136456 is a wasteful number, since it uses less digits than its factorization.

22136456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3364 (or 3360 counting only the distinct ones).

The product of its digits is 8640, while the sum is 29.

The square root of 22136456 is about 4704.9395320238. The cubic root of 22136456 is about 280.7820652880.

Adding to 22136456 its reverse (65463122), we get a palindrome (87599578).

The spelling of 22136456 in words is "twenty-two million, one hundred thirty-six thousand, four hundred fifty-six".