22258325 has 6 divisors (see below), whose sum is σ = 27600354. Its totient is φ = 17806640.

The previous prime is 22258303. The next prime is 22258333. The reversal of 22258325 is 52385222.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 2553604 + 19704721 = 1598^2 + 4439^2 .

It is not a de Polignac number, because 22258325 - 2¹⁴ = 22241941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 445142 + ... + 445191.

It is an arithmetic number, because the mean of its divisors is an integer number (4600059).

Almost surely, 2^22258325 is an apocalyptic number.

22258325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22258325 is a deficient number, since it is larger than the sum of its proper divisors (5342029).

22258325 is an equidigital number, since it uses as much as digits as its factorization.

22258325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 890343 (or 890338 counting only the distinct ones).

The product of its digits is 9600, while the sum is 29.

The square root of 22258325 is about 4717.8729317352. The cubic root of 22258325 is about 281.2963907016.

The spelling of 22258325 in words is "twenty-two million, two hundred fifty-eight thousand, three hundred twenty-five".