22573325 has 6 divisors (see below), whose sum is σ = 27990954. Its totient is φ = 18058640.

The previous prime is 22573321. The next prime is 22573333. The reversal of 22573325 is 52337522.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 4748041 + 17825284 = 2179^2 + 4222^2 .

It is not a de Polignac number, because 22573325 - 2² = 22573321 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22573321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 451442 + ... + 451491.

It is an arithmetic number, because the mean of its divisors is an integer number (4665159).

Almost surely, 2^22573325 is an apocalyptic number.

22573325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22573325 is a deficient number, since it is larger than the sum of its proper divisors (5417629).

22573325 is an equidigital number, since it uses as much as digits as its factorization.

22573325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 902943 (or 902938 counting only the distinct ones).

The product of its digits is 12600, while the sum is 29.

The square root of 22573325 is about 4751.1393370433. The cubic root of 22573325 is about 282.6171493141.

The spelling of 22573325 in words is "twenty-two million, five hundred seventy-three thousand, three hundred twenty-five".