22164601 has 2 divisors, whose sum is σ = 22164602. Its totient is φ = 22164600.

The previous prime is 22164599. The next prime is 22164629. The reversal of 22164601 is 10646122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21381376 + 783225 = 4624^2 + 885^2 .

It is a cyclic number.

It is not a de Polignac number, because 22164601 - 2¹ = 22164599 is a prime.

Together with 22164599, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22164691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11082300 + 11082301.

It is an arithmetic number, because the mean of its divisors is an integer number (11082301).

Almost surely, 2^22164601 is an apocalyptic number.

It is an amenable number.

22164601 is a deficient number, since it is larger than the sum of its proper divisors (1).

22164601 is an equidigital number, since it uses as much as digits as its factorization.

22164601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 22164601 is about 4707.9295874089. The cubic root of 22164601 is about 280.9010133313.

The spelling of 22164601 in words is "twenty-two million, one hundred sixty-four thousand, six hundred one".