22550089 has 2 divisors, whose sum is σ = 22550090. Its totient is φ = 22550088.

The previous prime is 22550027. The next prime is 22550111. The reversal of 22550089 is 98005522.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20839225 + 1710864 = 4565^2 + 1308^2 .

It is a cyclic number.

It is not a de Polignac number, because 22550089 - 2²¹ = 20452937 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22550089.

It is not a weakly prime, because it can be changed into another prime (22550009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11275044 + 11275045.

It is an arithmetic number, because the mean of its divisors is an integer number (11275045).

Almost surely, 2^22550089 is an apocalyptic number.

It is an amenable number.

22550089 is a deficient number, since it is larger than the sum of its proper divisors (1).

22550089 is an equidigital number, since it uses as much as digits as its factorization.

22550089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 22550089 is about 4748.6933992415. The cubic root of 22550089 is about 282.5201447508.

The spelling of 22550089 in words is "twenty-two million, five hundred fifty thousand, eighty-nine".