22674161 has 2 divisors, whose sum is σ = 22674162. Its totient is φ = 22674160.

The previous prime is 22674151. The next prime is 22674167. The reversal of 22674161 is 16147622.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18447025 + 4227136 = 4295^2 + 2056^2 .

It is a cyclic number.

It is not a de Polignac number, because 22674161 - 2¹⁸ = 22412017 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (22674167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11337080 + 11337081.

It is an arithmetic number, because the mean of its divisors is an integer number (11337081).

Almost surely, 2^22674161 is an apocalyptic number.

It is an amenable number.

22674161 is a deficient number, since it is larger than the sum of its proper divisors (1).

22674161 is an equidigital number, since it uses as much as digits as its factorization.

22674161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4032, while the sum is 29.

The square root of 22674161 is about 4761.7392830771. The cubic root of 22674161 is about 283.0373451863.

The spelling of 22674161 in words is "twenty-two million, six hundred seventy-four thousand, one hundred sixty-one".