22122259 has 2 divisors, whose sum is σ = 22122260. Its totient is φ = 22122258.

The previous prime is 22122241. The next prime is 22122281. The reversal of 22122259 is 95222122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22122259 - 2¹⁹ = 21597971 is a prime.

It is not a weakly prime, because it can be changed into another prime (22122299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11061129 + 11061130.

It is an arithmetic number, because the mean of its divisors is an integer number (11061130).

Almost surely, 2^22122259 is an apocalyptic number.

22122259 is a deficient number, since it is larger than the sum of its proper divisors (1).

22122259 is an equidigital number, since it uses as much as digits as its factorization.

22122259 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1440, while the sum is 25.

The square root of 22122259 is about 4703.4305565194. The cubic root of 22122259 is about 280.7220268388.

The spelling of 22122259 in words is "twenty-two million, one hundred twenty-two thousand, two hundred fifty-nine".