22860661 has 2 divisors, whose sum is σ = 22860662. Its totient is φ = 22860660.

The previous prime is 22860647. The next prime is 22860683. The reversal of 22860661 is 16606822.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11771761 + 11088900 = 3431^2 + 3330^2 .

It is a cyclic number.

It is not a de Polignac number, because 22860661 - 2¹¹ = 22858613 is a prime.

It is a super-3 number, since 3×22860661³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22860611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11430330 + 11430331.

It is an arithmetic number, because the mean of its divisors is an integer number (11430331).

Almost surely, 2^22860661 is an apocalyptic number.

It is an amenable number.

22860661 is a deficient number, since it is larger than the sum of its proper divisors (1).

22860661 is an equidigital number, since it uses as much as digits as its factorization.

22860661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 22860661 is about 4781.2823593676. The cubic root of 22860661 is about 283.8112421906.

The spelling of 22860661 in words is "twenty-two million, eight hundred sixty thousand, six hundred sixty-one".