22996709 has 2 divisors, whose sum is σ = 22996710. Its totient is φ = 22996708.

The previous prime is 22996703. The next prime is 22996723. The reversal of 22996709 is 90769922.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21883684 + 1113025 = 4678^2 + 1055^2 .

It is a cyclic number.

It is not a de Polignac number, because 22996709 - 2⁸ = 22996453 is a prime.

It is a super-3 number, since 3×22996709³ (a number of 23 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 22996709.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22996703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11498354 + 11498355.

It is an arithmetic number, because the mean of its divisors is an integer number (11498355).

Almost surely, 2^22996709 is an apocalyptic number.

It is an amenable number.

22996709 is a deficient number, since it is larger than the sum of its proper divisors (1).

22996709 is an equidigital number, since it uses as much as digits as its factorization.

22996709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 122472, while the sum is 44.

The square root of 22996709 is about 4795.4884005699. The cubic root of 22996709 is about 284.3731333291.

The spelling of 22996709 in words is "twenty-two million, nine hundred ninety-six thousand, seven hundred nine".