22664101 has 2 divisors, whose sum is σ = 22664102. Its totient is φ = 22664100.

The previous prime is 22664099. The next prime is 22664107. The reversal of 22664101 is 10146622.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22137025 + 527076 = 4705^2 + 726^2 .

It is a cyclic number.

It is not a de Polignac number, because 22664101 - 2¹ = 22664099 is a prime.

It is a super-2 number, since 2×22664101² = 1027322948276402, which contains 22 as substring.

Together with 22664099, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22664107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11332050 + 11332051.

It is an arithmetic number, because the mean of its divisors is an integer number (11332051).

Almost surely, 2^22664101 is an apocalyptic number.

It is an amenable number.

22664101 is a deficient number, since it is larger than the sum of its proper divisors (1).

22664101 is an equidigital number, since it uses as much as digits as its factorization.

22664101 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 22664101 is about 4760.6828291748. The cubic root of 22664101 is about 282.9954799563.

The spelling of 22664101 in words is "twenty-two million, six hundred sixty-four thousand, one hundred one".