22453289 has 2 divisors, whose sum is σ = 22453290. Its totient is φ = 22453288.

The previous prime is 22453283. The next prime is 22453297. The reversal of 22453289 is 98235422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21780889 + 672400 = 4667^2 + 820^2 .

It is a cyclic number.

It is not a de Polignac number, because 22453289 - 2⁸ = 22453033 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (22453283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11226644 + 11226645.

It is an arithmetic number, because the mean of its divisors is an integer number (11226645).

Almost surely, 2^22453289 is an apocalyptic number.

It is an amenable number.

22453289 is a deficient number, since it is larger than the sum of its proper divisors (1).

22453289 is an equidigital number, since it uses as much as digits as its factorization.

22453289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34560, while the sum is 35.

The square root of 22453289 is about 4738.4901603781. The cubic root of 22453289 is about 282.1153100519.

The spelling of 22453289 in words is "twenty-two million, four hundred fifty-three thousand, two hundred eighty-nine".