22917469 has 2 divisors, whose sum is σ = 22917470. Its totient is φ = 22917468.

The previous prime is 22917457. The next prime is 22917473. The reversal of 22917469 is 96471922.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21040569 + 1876900 = 4587^2 + 1370^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22917469 is a prime.

It is a super-2 number, since 2×22917469² = 1050420770731922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22917449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11458734 + 11458735.

It is an arithmetic number, because the mean of its divisors is an integer number (11458735).

Almost surely, 2^22917469 is an apocalyptic number.

It is an amenable number.

22917469 is a deficient number, since it is larger than the sum of its proper divisors (1).

22917469 is an equidigital number, since it uses as much as digits as its factorization.

22917469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54432, while the sum is 40.

The square root of 22917469 is about 4787.2193390318. The cubic root of 22917469 is about 284.0461349702.

The spelling of 22917469 in words is "twenty-two million, nine hundred seventeen thousand, four hundred sixty-nine".