22566763 has 2 divisors, whose sum is σ = 22566764. Its totient is φ = 22566762.

The previous prime is 22566697. The next prime is 22566773. The reversal of 22566763 is 36766522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22566763 - 2¹⁷ = 22435691 is a prime.

It is not a weakly prime, because it can be changed into another prime (22566773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11283381 + 11283382.

It is an arithmetic number, because the mean of its divisors is an integer number (11283382).

Almost surely, 2^22566763 is an apocalyptic number.

22566763 is a deficient number, since it is larger than the sum of its proper divisors (1).

22566763 is an equidigital number, since it uses as much as digits as its factorization.

22566763 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 37.

The square root of 22566763 is about 4750.4487156478. The cubic root of 22566763 is about 282.5897613319.

The spelling of 22566763 in words is "twenty-two million, five hundred sixty-six thousand, seven hundred sixty-three".