22057573 has 2 divisors, whose sum is σ = 22057574. Its totient is φ = 22057572.

The previous prime is 22057571. The next prime is 22057589. The reversal of 22057573 is 37575022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21883684 + 173889 = 4678^2 + 417^2 .

It is a cyclic number.

It is not a de Polignac number, because 22057573 - 2¹ = 22057571 is a prime.

Together with 22057571, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22057571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11028786 + 11028787.

It is an arithmetic number, because the mean of its divisors is an integer number (11028787).

Almost surely, 2^22057573 is an apocalyptic number.

It is an amenable number.

22057573 is a deficient number, since it is larger than the sum of its proper divisors (1).

22057573 is an equidigital number, since it uses as much as digits as its factorization.

22057573 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14700, while the sum is 31.

The square root of 22057573 is about 4696.5490522297. The cubic root of 22057573 is about 280.4481471423.

The spelling of 22057573 in words is "twenty-two million, fifty-seven thousand, five hundred seventy-three".