225140120 has 32 divisors (see below), whose sum is σ = 533228400. Its totient is φ = 85315968.

The previous prime is 225140099. The next prime is 225140141. The reversal of 225140120 is 21041522.

It is an interprime number because it is at equal distance from previous prime (225140099) and next prime (225140141).

It is a super-2 number, since 2×225140120² = 101376147267228800, which contains 22 as substring.

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, 147359 + ... + 148878.

Almost surely, 2^225140120 is an apocalyptic number.

225140120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225140120 is an abundant number, since it is smaller than the sum of its proper divisors (308088280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

225140120 is a wasteful number, since it uses less digits than its factorization.

225140120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296267 (or 296263 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 225140120 is about 15004.6699397221. The cubic root of 225140120 is about 608.3464308600.

Adding to 225140120 its reverse (21041522), we get a palindrome (246181642).

The spelling of 225140120 in words is "two hundred twenty-five million, one hundred forty thousand, one hundred twenty".