22905361 has 2 divisors, whose sum is σ = 22905362. Its totient is φ = 22905360.

The previous prime is 22905359. The next prime is 22905367. The reversal of 22905361 is 16350922.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16248961 + 6656400 = 4031^2 + 2580^2 .

It is a cyclic number.

It is not a de Polignac number, because 22905361 - 2¹ = 22905359 is a prime.

Together with 22905359, it forms a pair of twin primes.

It is equal to p_1442647 and since 22905361 and 1442647 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (22905367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11452680 + 11452681.

It is an arithmetic number, because the mean of its divisors is an integer number (11452681).

Almost surely, 2^22905361 is an apocalyptic number.

It is an amenable number.

22905361 is a deficient number, since it is larger than the sum of its proper divisors (1).

22905361 is an equidigital number, since it uses as much as digits as its factorization.

22905361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 22905361 is about 4785.9545547362. The cubic root of 22905361 is about 283.9961027370.

The spelling of 22905361 in words is "twenty-two million, nine hundred five thousand, three hundred sixty-one".