22449071 has 2 divisors, whose sum is σ = 22449072. Its totient is φ = 22449070.

The previous prime is 22449041. The next prime is 22449073. The reversal of 22449071 is 17094422.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22449071 is a prime.

It is a Sophie Germain prime.

Together with 22449073, 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 (22449073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11224535 + 11224536.

It is an arithmetic number, because the mean of its divisors is an integer number (11224536).

Almost surely, 2^22449071 is an apocalyptic number.

22449071 is a deficient number, since it is larger than the sum of its proper divisors (1).

22449071 is an equidigital number, since it uses as much as digits as its factorization.

22449071 is an odious number, because the sum of its binary digits is odd.

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

The square root of 22449071 is about 4738.0450609930. The cubic root of 22449071 is about 282.0976431985.

The spelling of 22449071 in words is "twenty-two million, four hundred forty-nine thousand, seventy-one".