22052909 has 2 divisors, whose sum is σ = 22052910. Its totient is φ = 22052908.

The previous prime is 22052897. The next prime is 22052911. The reversal of 22052909 is 90925022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21949225 + 103684 = 4685^2 + 322^2 .

It is a cyclic number.

It is not a de Polignac number, because 22052909 - 2¹⁶ = 21987373 is a prime.

Together with 22052911, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22052959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11026454 + 11026455.

It is an arithmetic number, because the mean of its divisors is an integer number (11026455).

Almost surely, 2^22052909 is an apocalyptic number.

It is an amenable number.

22052909 is a deficient number, since it is larger than the sum of its proper divisors (1).

22052909 is an equidigital number, since it uses as much as digits as its factorization.

22052909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 22052909 is about 4696.0524911887. The cubic root of 22052909 is about 280.4283791415.

The spelling of 22052909 in words is "twenty-two million, fifty-two thousand, nine hundred nine".