225132245 has 8 divisors (see below), whose sum is σ = 290940216. Its totient is φ = 166251456.

The previous prime is 225132239. The next prime is 225132251. The reversal of 225132245 is 542231522.

It is an interprime number because it is at equal distance from previous prime (225132239) and next prime (225132251).

It can be written as a sum of positive squares in 4 ways, for example, as 25786084 + 199346161 = 5078^2 + 14119^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 225132245 - 2⁸ = 225131989 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 7 ways as a sum of consecutive naturals, for example, 1731722 + ... + 1731851.

It is an arithmetic number, because the mean of its divisors is an integer number (36367527).

Almost surely, 2^225132245 is an apocalyptic number.

It is an amenable number.

225132245 is a deficient number, since it is larger than the sum of its proper divisors (65807971).

225132245 is a wasteful number, since it uses less digits than its factorization.

225132245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3463591.

The product of its digits is 4800, while the sum is 26.

The square root of 225132245 is about 15004.4075191258. The cubic root of 225132245 is about 608.3393378194.

Adding to 225132245 its reverse (542231522), we get a palindrome (767363767).

The spelling of 225132245 in words is "two hundred twenty-five million, one hundred thirty-two thousand, two hundred forty-five".