22142229427 has 2 divisors, whose sum is σ = 22142229428. Its totient is φ = 22142229426.

The previous prime is 22142229413. The next prime is 22142229433. The reversal of 22142229427 is 72492224122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22142229427 - 2¹¹ = 22142227379 is a prime.

It is not a weakly prime, because it can be changed into another prime (22142229407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11071114713 + 11071114714.

It is an arithmetic number, because the mean of its divisors is an integer number (11071114714).

Almost surely, 2^22142229427 is an apocalyptic number.

22142229427 is a deficient number, since it is larger than the sum of its proper divisors (1).

22142229427 is an equidigital number, since it uses as much as digits as its factorization.

22142229427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64512, while the sum is 37.

The spelling of 22142229427 in words is "twenty-two billion, one hundred forty-two million, two hundred twenty-nine thousand, four hundred twenty-seven".