22806236 has 12 divisors (see below), whose sum is σ = 40088328. Its totient is φ = 11352432.

The previous prime is 22806229. The next prime is 22806247. The reversal of 22806236 is 63260822.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 22806199 and 22806208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11651 + ... + 13466.

It is an arithmetic number, because the mean of its divisors is an integer number (3340694).

Almost surely, 2^22806236 is an apocalyptic number.

It is an amenable number.

22806236 is a deficient number, since it is larger than the sum of its proper divisors (17282092).

22806236 is a wasteful number, since it uses less digits than its factorization.

22806236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25348 (or 25346 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 22806236 is about 4775.5875031246. The cubic root of 22806236 is about 283.5858374950.

The spelling of 22806236 in words is "twenty-two million, eight hundred six thousand, two hundred thirty-six".