22544593 has 2 divisors, whose sum is σ = 22544594. Its totient is φ = 22544592.

The previous prime is 22544591. The next prime is 22544617. The reversal of 22544593 is 39544522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22543504 + 1089 = 4748^2 + 33^2 .

It is a cyclic number.

It is not a de Polignac number, because 22544593 - 2¹ = 22544591 is a prime.

Together with 22544591, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (22544591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11272296 + 11272297.

It is an arithmetic number, because the mean of its divisors is an integer number (11272297).

Almost surely, 2^22544593 is an apocalyptic number.

It is an amenable number.

22544593 is a deficient number, since it is larger than the sum of its proper divisors (1).

22544593 is an equidigital number, since it uses as much as digits as its factorization.

22544593 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43200, while the sum is 34.

The square root of 22544593 is about 4748.1146784803. The cubic root of 22544593 is about 282.4971905639.

The spelling of 22544593 in words is "twenty-two million, five hundred forty-four thousand, five hundred ninety-three".