22426636 has 12 divisors (see below), whose sum is σ = 39356128. Its totient is φ = 11182032.

The previous prime is 22426619. The next prime is 22426637. The reversal of 22426636 is 63662422.

It is a junction number, because it is equal to n+sod(n) for n = 22426598 and 22426607.

It is not an unprimeable number, because it can be changed into a prime (22426637) 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, 6171 + ... + 9106.

Almost surely, 2^22426636 is an apocalyptic number.

It is an amenable number.

22426636 is a deficient number, since it is larger than the sum of its proper divisors (16929492).

22426636 is a wasteful number, since it uses less digits than its factorization.

22426636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15648 (or 15646 counting only the distinct ones).

The product of its digits is 20736, while the sum is 31.

The square root of 22426636 is about 4735.6769315484. The cubic root of 22426636 is about 282.0036382677.

The spelling of 22426636 in words is "twenty-two million, four hundred twenty-six thousand, six hundred thirty-six".