22144332929 has 2 divisors, whose sum is σ = 22144332930. Its totient is φ = 22144332928.

The previous prime is 22144332919. The next prime is 22144332953. The reversal of 22144332929 is 92923344122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20467594225 + 1676738704 = 143065^2 + 40948^2 .

It is a cyclic number.

It is not a de Polignac number, because 22144332929 - 2⁴ = 22144332913 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (22144332919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11072166464 + 11072166465.

It is an arithmetic number, because the mean of its divisors is an integer number (11072166465).

Almost surely, 2^22144332929 is an apocalyptic number.

It is an amenable number.

22144332929 is a deficient number, since it is larger than the sum of its proper divisors (1).

22144332929 is an equidigital number, since it uses as much as digits as its factorization.

22144332929 is an evil number, because the sum of its binary digits is even.

The product of its digits is 186624, while the sum is 41.

The spelling of 22144332929 in words is "twenty-two billion, one hundred forty-four million, three hundred thirty-two thousand, nine hundred twenty-nine".