22239361 has 2 divisors, whose sum is σ = 22239362. Its totient is φ = 22239360.

The previous prime is 22239337. The next prime is 22239391. The reversal of 22239361 is 16393222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20930625 + 1308736 = 4575^2 + 1144^2 .

It is a cyclic number.

It is not a de Polignac number, because 22239361 - 2⁷ = 22239233 is a prime.

It is not a weakly prime, because it can be changed into another prime (22239391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11119680 + 11119681.

It is an arithmetic number, because the mean of its divisors is an integer number (11119681).

Almost surely, 2^22239361 is an apocalyptic number.

It is an amenable number.

22239361 is a deficient number, since it is larger than the sum of its proper divisors (1).

22239361 is an equidigital number, since it uses as much as digits as its factorization.

22239361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3888, while the sum is 28.

The square root of 22239361 is about 4715.8626994432. The cubic root of 22239361 is about 281.2164802192.

The spelling of 22239361 in words is "twenty-two million, two hundred thirty-nine thousand, three hundred sixty-one".