245222325 has 18 divisors (see below), whose sum is σ = 439220834. Its totient is φ = 130785120.

The previous prime is 245222321. The next prime is 245222333. The reversal of 245222325 is 523222542.

It can be written as a sum of positive squares in 3 ways, for example, as 32558436 + 212663889 = 5706^2 + 14583^2 .

It is not a de Polignac number, because 245222325 - 2² = 245222321 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245222321) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 544714 + ... + 545163.

Almost surely, 2^245222325 is an apocalyptic number.

245222325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

245222325 is a deficient number, since it is larger than the sum of its proper divisors (193998509).

245222325 is a wasteful number, since it uses less digits than its factorization.

245222325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1089893 (or 1089885 counting only the distinct ones).

The product of its digits is 9600, while the sum is 27.

The square root of 245222325 is about 15659.5761436892. The cubic root of 245222325 is about 625.9216907763.

Adding to 245222325 its reverse (523222542), we get a palindrome (768444867).

The spelling of 245222325 in words is "two hundred forty-five million, two hundred twenty-two thousand, three hundred twenty-five".