22444259 has 2 divisors, whose sum is σ = 22444260. Its totient is φ = 22444258.

The previous prime is 22444243. The next prime is 22444271. The reversal of 22444259 is 95244422.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22444259 - 2⁴ = 22444243 is a prime.

It is not a weakly prime, because it can be changed into another prime (22444229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11222129 + 11222130.

It is an arithmetic number, because the mean of its divisors is an integer number (11222130).

Almost surely, 2^22444259 is an apocalyptic number.

22444259 is a deficient number, since it is larger than the sum of its proper divisors (1).

22444259 is an equidigital number, since it uses as much as digits as its factorization.

22444259 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23040, while the sum is 32.

The square root of 22444259 is about 4737.5372294052. The cubic root of 22444259 is about 282.0774857071.

The spelling of 22444259 in words is "twenty-two million, four hundred forty-four thousand, two hundred fifty-nine".