22788536 has 8 divisors (see below), whose sum is σ = 42728520. Its totient is φ = 11394264.

The previous prime is 22788533. The next prime is 22788547. The reversal of 22788536 is 63588722.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 22788493 and 22788502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22788533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1424276 + ... + 1424291.

It is an arithmetic number, because the mean of its divisors is an integer number (5341065).

Almost surely, 2^22788536 is an apocalyptic number.

It is an amenable number.

22788536 is a deficient number, since it is larger than the sum of its proper divisors (19939984).

22788536 is a wasteful number, since it uses less digits than its factorization.

22788536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2848573 (or 2848569 counting only the distinct ones).

The product of its digits is 161280, while the sum is 41.

The square root of 22788536 is about 4773.7339682894. The cubic root of 22788536 is about 283.5124545187.

The spelling of 22788536 in words is "twenty-two million, seven hundred eighty-eight thousand, five hundred thirty-six".