22328573 has 2 divisors, whose sum is σ = 22328574. Its totient is φ = 22328572.

The previous prime is 22328569. The next prime is 22328597. The reversal of 22328573 is 37582322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21883684 + 444889 = 4678^2 + 667^2 .

It is a cyclic number.

It is not a de Polignac number, because 22328573 - 2² = 22328569 is a prime.

It is a super-3 number, since 3×22328573³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22328513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11164286 + 11164287.

It is an arithmetic number, because the mean of its divisors is an integer number (11164287).

Almost surely, 2^22328573 is an apocalyptic number.

It is an amenable number.

22328573 is a deficient number, since it is larger than the sum of its proper divisors (1).

22328573 is an equidigital number, since it uses as much as digits as its factorization.

22328573 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20160, while the sum is 32.

The square root of 22328573 is about 4725.3119473745. The cubic root of 22328573 is about 281.5920067906.

The spelling of 22328573 in words is "twenty-two million, three hundred twenty-eight thousand, five hundred seventy-three".