22164001 has 2 divisors, whose sum is σ = 22164002. Its totient is φ = 22164000.

The previous prime is 22163989. The next prime is 22164007. The reversal of 22164001 is 10046122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15610401 + 6553600 = 3951^2 + 2560^2 .

It is a cyclic number.

It is not a de Polignac number, because 22164001 - 2²³ = 13775393 is a prime.

It is not a weakly prime, because it can be changed into another prime (22164007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11082000 + 11082001.

It is an arithmetic number, because the mean of its divisors is an integer number (11082001).

Almost surely, 2^22164001 is an apocalyptic number.

It is an amenable number.

22164001 is a deficient number, since it is larger than the sum of its proper divisors (1).

22164001 is an equidigital number, since it uses as much as digits as its factorization.

22164001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 22164001 is about 4707.8658646992. The cubic root of 22164001 is about 280.8984786270.

The spelling of 22164001 in words is "twenty-two million, one hundred sixty-four thousand, one".