22770768 has 20 divisors (see below), whose sum is σ = 58824608. Its totient is φ = 7590240.

The previous prime is 22770767. The next prime is 22770773. The reversal of 22770768 is 86707722.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22770767) 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, 237148 + ... + 237243.

Almost surely, 2^22770768 is an apocalyptic number.

It is an amenable number.

22770768 is an abundant number, since it is smaller than the sum of its proper divisors (36053840).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22770768 is a wasteful number, since it uses less digits than its factorization.

22770768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474402 (or 474396 counting only the distinct ones).

The product of its (nonzero) digits is 65856, while the sum is 39.

The square root of 22770768 is about 4771.8725884080. The cubic root of 22770768 is about 283.4387513919.

The spelling of 22770768 in words is "twenty-two million, seven hundred seventy thousand, seven hundred sixty-eight".