22555339 has 2 divisors, whose sum is σ = 22555340. Its totient is φ = 22555338.

The previous prime is 22555319. The next prime is 22555343. The reversal of 22555339 is 93355522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22555339 - 2¹¹ = 22553291 is a prime.

It is not a weakly prime, because it can be changed into another prime (22555319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11277669 + 11277670.

It is an arithmetic number, because the mean of its divisors is an integer number (11277670).

Almost surely, 2^22555339 is an apocalyptic number.

22555339 is a deficient number, since it is larger than the sum of its proper divisors (1).

22555339 is an equidigital number, since it uses as much as digits as its factorization.

22555339 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40500, while the sum is 34.

The square root of 22555339 is about 4749.2461507064. The cubic root of 22555339 is about 282.5420680297.

The spelling of 22555339 in words is "twenty-two million, five hundred fifty-five thousand, three hundred thirty-nine".