22701449 has 2 divisors, whose sum is σ = 22701450. Its totient is φ = 22701448.

The previous prime is 22701439. The next prime is 22701451. The reversal of 22701449 is 94410722.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20430400 + 2271049 = 4520^2 + 1507^2 .

It is a cyclic number.

It is not a de Polignac number, because 22701449 - 2⁴ = 22701433 is a prime.

It is a Sophie Germain prime.

Together with 22701451, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (22701439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11350724 + 11350725.

It is an arithmetic number, because the mean of its divisors is an integer number (11350725).

Almost surely, 2^22701449 is an apocalyptic number.

It is an amenable number.

22701449 is a deficient number, since it is larger than the sum of its proper divisors (1).

22701449 is an equidigital number, since it uses as much as digits as its factorization.

22701449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 22701449 is about 4764.6037610697. The cubic root of 22701449 is about 283.1508433479.

The spelling of 22701449 in words is "twenty-two million, seven hundred one thousand, four hundred forty-nine".