22221224959 has 2 divisors, whose sum is σ = 22221224960. Its totient is φ = 22221224958.

The previous prime is 22221224957. The next prime is 22221224969. The reversal of 22221224959 is 95942212222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22221224959 - 2¹ = 22221224957 is a prime.

Together with 22221224957, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22221224957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11110612479 + 11110612480.

It is an arithmetic number, because the mean of its divisors is an integer number (11110612480).

Almost surely, 2^22221224959 is an apocalyptic number.

22221224959 is a deficient number, since it is larger than the sum of its proper divisors (1).

22221224959 is an equidigital number, since it uses as much as digits as its factorization.

22221224959 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 103680, while the sum is 40.

The spelling of 22221224959 in words is "twenty-two billion, two hundred twenty-one million, two hundred twenty-four thousand, nine hundred fifty-nine".