22660601 has 2 divisors, whose sum is σ = 22660602. Its totient is φ = 22660600.

The previous prime is 22660553. The next prime is 22660619. The reversal of 22660601 is 10606622.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16410601 + 6250000 = 4051^2 + 2500^2 .

It is a cyclic number.

It is not a de Polignac number, because 22660601 - 2⁶ = 22660537 is a prime.

It is not a weakly prime, because it can be changed into another prime (22660621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11330300 + 11330301.

It is an arithmetic number, because the mean of its divisors is an integer number (11330301).

Almost surely, 2^22660601 is an apocalyptic number.

It is an amenable number.

22660601 is a deficient number, since it is larger than the sum of its proper divisors (1).

22660601 is an equidigital number, since it uses as much as digits as its factorization.

22660601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 22660601 is about 4760.3152206550. The cubic root of 22660601 is about 282.9809116136.

The spelling of 22660601 in words is "twenty-two million, six hundred sixty thousand, six hundred one".