22902709 has 2 divisors, whose sum is σ = 22902710. Its totient is φ = 22902708.

The previous prime is 22902697. The next prime is 22902713. The reversal of 22902709 is 90720922.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18679684 + 4223025 = 4322^2 + 2055^2 .

It is a cyclic number.

It is not a de Polignac number, because 22902709 - 2¹³ = 22894517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22902739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11451354 + 11451355.

It is an arithmetic number, because the mean of its divisors is an integer number (11451355).

Almost surely, 2^22902709 is an apocalyptic number.

It is an amenable number.

22902709 is a deficient number, since it is larger than the sum of its proper divisors (1).

22902709 is an equidigital number, since it uses as much as digits as its factorization.

22902709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 22902709 is about 4785.6774859992. The cubic root of 22902709 is about 283.9851418862.

The spelling of 22902709 in words is "twenty-two million, nine hundred two thousand, seven hundred nine".