22398325 has 6 divisors (see below), whose sum is σ = 27773954. Its totient is φ = 17918640.

The previous prime is 22398323. The next prime is 22398329. The reversal of 22398325 is 52389322.

It can be written as a sum of positive squares in 3 ways, for example, as 552049 + 21846276 = 743^2 + 4674^2 .

It is not a de Polignac number, because 22398325 - 2¹ = 22398323 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 (22398323) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 447942 + ... + 447991.

Almost surely, 2^22398325 is an apocalyptic number.

22398325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22398325 is a deficient number, since it is larger than the sum of its proper divisors (5375629).

22398325 is an equidigital number, since it uses as much as digits as its factorization.

22398325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 895943 (or 895938 counting only the distinct ones).

The product of its digits is 25920, while the sum is 34.

The square root of 22398325 is about 4732.6868689995. The cubic root of 22398325 is about 281.8849227828.

The spelling of 22398325 in words is "twenty-two million, three hundred ninety-eight thousand, three hundred twenty-five".