22152796427 has 2 divisors, whose sum is σ = 22152796428. Its totient is φ = 22152796426.

The previous prime is 22152796349. The next prime is 22152796429. The reversal of 22152796427 is 72469725122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22152796427 - 2²⁰ = 22151747851 is a prime.

It is a super-2 number, since 2×22152796427² (a number of 21 digits) contains 22 as substring.

Together with 22152796429, 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 (22152796429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11076398213 + 11076398214.

It is an arithmetic number, because the mean of its divisors is an integer number (11076398214).

Almost surely, 2^22152796427 is an apocalyptic number.

22152796427 is a deficient number, since it is larger than the sum of its proper divisors (1).

22152796427 is an equidigital number, since it uses as much as digits as its factorization.

22152796427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 846720, while the sum is 47.

The spelling of 22152796427 in words is "twenty-two billion, one hundred fifty-two million, seven hundred ninety-six thousand, four hundred twenty-seven".