22773836 has 12 divisors (see below), whose sum is σ = 40449528. Its totient is φ = 11216832.

The previous prime is 22773827. The next prime is 22773847. The reversal of 22773836 is 63837722.

It is a self number, because there is not a number n which added to its sum of digits gives 22773836.

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, 42221 + ... + 42756.

It is an arithmetic number, because the mean of its divisors is an integer number (3370794).

Almost surely, 2^22773836 is an apocalyptic number.

It is an amenable number.

22773836 is a deficient number, since it is larger than the sum of its proper divisors (17675692).

22773836 is a wasteful number, since it uses less digits than its factorization.

22773836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85048 (or 85046 counting only the distinct ones).

The product of its digits is 84672, while the sum is 38.

The square root of 22773836 is about 4772.1940446717. The cubic root of 22773836 is about 283.4514804463.

The spelling of 22773836 in words is "twenty-two million, seven hundred seventy-three thousand, eight hundred thirty-six".