22860949 has 2 divisors, whose sum is σ = 22860950. Its totient is φ = 22860948.

The previous prime is 22860923. The next prime is 22860973. The reversal of 22860949 is 94906822.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15944049 + 6916900 = 3993^2 + 2630^2 .

It is a cyclic number.

It is not a de Polignac number, because 22860949 - 2¹³ = 22852757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22860979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11430474 + 11430475.

It is an arithmetic number, because the mean of its divisors is an integer number (11430475).

Almost surely, 2^22860949 is an apocalyptic number.

It is an amenable number.

22860949 is a deficient number, since it is larger than the sum of its proper divisors (1).

22860949 is an equidigital number, since it uses as much as digits as its factorization.

22860949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 22860949 is about 4781.3124767160. The cubic root of 22860949 is about 283.8124340094.

The spelling of 22860949 in words is "twenty-two million, eight hundred sixty thousand, nine hundred forty-nine".