22406836 has 12 divisors (see below), whose sum is σ = 39269440. Its totient is φ = 11187000.

The previous prime is 22406779. The next prime is 22406851. The reversal of 22406836 is 63860422.

It is a junction number, because it is equal to n+sod(n) for n = 22406798 and 22406807.

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, 726 + ... + 6733.

Almost surely, 2^22406836 is an apocalyptic number.

It is an amenable number.

22406836 is a deficient number, since it is larger than the sum of its proper divisors (16862604).

22406836 is a wasteful number, since it uses less digits than its factorization.

22406836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8214 (or 8212 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 22406836 is about 4733.5859557000. The cubic root of 22406836 is about 281.9206221601.

The spelling of 22406836 in words is "twenty-two million, four hundred six thousand, eight hundred thirty-six".