225121141 has 6 divisors (see below), whose sum is σ = 261875670. Its totient is φ = 192960936.

The previous prime is 225121129. The next prime is 225121153. The reversal of 225121141 is 141121522.

It is an interprime number because it is at equal distance from previous prime (225121129) and next prime (225121153).

It can be written as a sum of positive squares in only one way, i.e., 183467025 + 41654116 = 13545^2 + 6454^2 .

It is not a de Polignac number, because 225121141 - 2⁵ = 225121109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225121241) 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, 2297106 + ... + 2297203.

It is an arithmetic number, because the mean of its divisors is an integer number (43645945).

Almost surely, 2^225121141 is an apocalyptic number.

It is an amenable number.

225121141 is a deficient number, since it is larger than the sum of its proper divisors (36754529).

225121141 is an equidigital number, since it uses as much as digits as its factorization.

225121141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4594323 (or 4594316 counting only the distinct ones).

The product of its digits is 160, while the sum is 19.

The square root of 225121141 is about 15004.0374899558. The cubic root of 225121141 is about 608.3293361260.

Adding to 225121141 its reverse (141121522), we get a palindrome (366242663).

It can be divided in two parts, 22512 and 1141, that added together give a triangular number (23653 = T₂₁₇).

The spelling of 225121141 in words is "two hundred twenty-five million, one hundred twenty-one thousand, one hundred forty-one".