22712269 has 2 divisors, whose sum is σ = 22712270. Its totient is φ = 22712268.

The previous prime is 22712267. The next prime is 22712273. The reversal of 22712269 is 96221722.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22562500 + 149769 = 4750^2 + 387^2 .

It is a cyclic number.

It is not a de Polignac number, because 22712269 - 2¹ = 22712267 is a prime.

It is a super-2 number, since 2×22712269² = 1031694326256722, which contains 22 as substring.

Together with 22712267, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 22712269.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22712267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11356134 + 11356135.

It is an arithmetic number, because the mean of its divisors is an integer number (11356135).

Almost surely, 2^22712269 is an apocalyptic number.

It is an amenable number.

22712269 is a deficient number, since it is larger than the sum of its proper divisors (1).

22712269 is an equidigital number, since it uses as much as digits as its factorization.

22712269 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6048, while the sum is 31.

The square root of 22712269 is about 4765.7390822411. The cubic root of 22712269 is about 283.1958214682.

The spelling of 22712269 in words is "twenty-two million, seven hundred twelve thousand, two hundred sixty-nine".