22668757 has 2 divisors, whose sum is σ = 22668758. Its totient is φ = 22668756.

The previous prime is 22668733. The next prime is 22668773. The reversal of 22668757 is 75786622.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11553201 + 11115556 = 3399^2 + 3334^2 .

It is a cyclic number.

It is not a de Polignac number, because 22668757 - 2¹⁵ = 22635989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22668707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11334378 + 11334379.

It is an arithmetic number, because the mean of its divisors is an integer number (11334379).

Almost surely, 2^22668757 is an apocalyptic number.

It is an amenable number.

22668757 is a deficient number, since it is larger than the sum of its proper divisors (1).

22668757 is an equidigital number, since it uses as much as digits as its factorization.

22668757 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 282240, while the sum is 43.

The square root of 22668757 is about 4761.1718095444. The cubic root of 22668757 is about 283.0148576899.

The spelling of 22668757 in words is "twenty-two million, six hundred sixty-eight thousand, seven hundred fifty-seven".