22588961 has 2 divisors, whose sum is σ = 22588962. Its totient is φ = 22588960.

The previous prime is 22588939. The next prime is 22589009. The reversal of 22588961 is 16988522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20205025 + 2383936 = 4495^2 + 1544^2 .

It is a cyclic number.

It is not a de Polignac number, because 22588961 - 2¹⁸ = 22326817 is a prime.

It is a super-2 number, since 2×22588961² = 1020522318119042, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22588931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11294480 + 11294481.

It is an arithmetic number, because the mean of its divisors is an integer number (11294481).

Almost surely, 2^22588961 is an apocalyptic number.

It is an amenable number.

22588961 is a deficient number, since it is larger than the sum of its proper divisors (1).

22588961 is an equidigital number, since it uses as much as digits as its factorization.

22588961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69120, while the sum is 41.

The square root of 22588961 is about 4752.7845522388. The cubic root of 22588961 is about 282.6823882901.

The spelling of 22588961 in words is "twenty-two million, five hundred eighty-eight thousand, nine hundred sixty-one".