22744179209 has 2 divisors, whose sum is σ = 22744179210. Its totient is φ = 22744179208.

The previous prime is 22744179173. The next prime is 22744179223. The reversal of 22744179209 is 90297144722.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21183929209 + 1560250000 = 145547^2 + 39500^2 .

It is a cyclic number.

It is not a de Polignac number, because 22744179209 - 2⁸ = 22744178953 is a prime.

It is a super-2 number, since 2×22744179209² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22744176209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11372089604 + 11372089605.

It is an arithmetic number, because the mean of its divisors is an integer number (11372089605).

Almost surely, 2^22744179209 is an apocalyptic number.

It is an amenable number.

22744179209 is a deficient number, since it is larger than the sum of its proper divisors (1).

22744179209 is an equidigital number, since it uses as much as digits as its factorization.

22744179209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 508032, while the sum is 47.

The spelling of 22744179209 in words is "twenty-two billion, seven hundred forty-four million, one hundred seventy-nine thousand, two hundred nine".