22268636 has 24 divisors (see below), whose sum is σ = 43417920. Its totient is φ = 9922752.

The previous prime is 22268579. The next prime is 22268671. The reversal of 22268636 is 63686222.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22268596 and 22268605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5876 + ... + 8891.

It is an arithmetic number, because the mean of its divisors is an integer number (1809080).

Almost surely, 2^22268636 is an apocalyptic number.

22268636 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

22268636 is a deficient number, since it is larger than the sum of its proper divisors (21149284).

22268636 is a wasteful number, since it uses less digits than its factorization.

22268636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14813 (or 14811 counting only the distinct ones).

The product of its digits is 41472, while the sum is 35.

The square root of 22268636 is about 4718.9655646127. The cubic root of 22268636 is about 281.3398201350.

The spelling of 22268636 in words is "twenty-two million, two hundred sixty-eight thousand, six hundred thirty-six".