22788706 has 8 divisors (see below), whose sum is σ = 34333020. Its totient is φ = 11344368.

The previous prime is 22788697. The next prime is 22788709. The reversal of 22788706 is 60788722.

It can be written as a sum of positive squares in 2 ways, for example, as 22648081 + 140625 = 4759^2 + 375^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (22788709) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24421 + ... + 25336.

Almost surely, 2^22788706 is an apocalyptic number.

22788706 is a deficient number, since it is larger than the sum of its proper divisors (11544314).

22788706 is a wasteful number, since it uses less digits than its factorization.

22788706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49988.

The product of its (nonzero) digits is 75264, while the sum is 40.

The square root of 22788706 is about 4773.7517740243. The cubic root of 22788706 is about 283.5131595076.

The spelling of 22788706 in words is "twenty-two million, seven hundred eighty-eight thousand, seven hundred six".