22770766 has 4 divisors (see below), whose sum is σ = 34156152. Its totient is φ = 11385382.

The previous prime is 22770757. The next prime is 22770767. The reversal of 22770766 is 66707722.

It is a semiprime because it is the product of two primes.

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 as a sum of consecutive naturals, namely, 5692690 + ... + 5692693.

It is an arithmetic number, because the mean of its divisors is an integer number (8539038).

Almost surely, 2^22770766 is an apocalyptic number.

22770766 is a deficient number, since it is larger than the sum of its proper divisors (11385386).

22770766 is a wasteful number, since it uses less digits than its factorization.

22770766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11385385.

The product of its (nonzero) digits is 49392, while the sum is 37.

The square root of 22770766 is about 4771.8723788467. The cubic root of 22770766 is about 283.4387430936.

The spelling of 22770766 in words is "twenty-two million, seven hundred seventy thousand, seven hundred sixty-six".