22620259 has 2 divisors, whose sum is σ = 22620260. Its totient is φ = 22620258.

The previous prime is 22620229. The next prime is 22620271. The reversal of 22620259 is 95202622.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22620259 - 2¹³ = 22612067 is a prime.

It is a super-2 number, since 2×22620259² = 1023352234454162, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22620229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11310129 + 11310130.

It is an arithmetic number, because the mean of its divisors is an integer number (11310130).

Almost surely, 2^22620259 is an apocalyptic number.

22620259 is a deficient number, since it is larger than the sum of its proper divisors (1).

22620259 is an equidigital number, since it uses as much as digits as its factorization.

22620259 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 22620259 is about 4756.0760086441. The cubic root of 22620259 is about 282.8128843376.

The spelling of 22620259 in words is "twenty-two million, six hundred twenty thousand, two hundred fifty-nine".