22051531259 has 2 divisors, whose sum is σ = 22051531260. Its totient is φ = 22051531258.

The previous prime is 22051531207. The next prime is 22051531261. The reversal of 22051531259 is 95213515022.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22051531259 is a prime.

Together with 22051531261, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22051531559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11025765629 + 11025765630.

It is an arithmetic number, because the mean of its divisors is an integer number (11025765630).

Almost surely, 2^22051531259 is an apocalyptic number.

22051531259 is a deficient number, since it is larger than the sum of its proper divisors (1).

22051531259 is an equidigital number, since it uses as much as digits as its factorization.

22051531259 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27000, while the sum is 35.

The spelling of 22051531259 in words is "twenty-two billion, fifty-one million, five hundred thirty-one thousand, two hundred fifty-nine".