225340120 has 16 divisors (see below), whose sum is σ = 507015360. Its totient is φ = 90136032.

The previous prime is 225340099. The next prime is 225340139. The reversal of 225340120 is 21043522.

It is a super-2 number, since 2×225340120² = 101556339363228800, 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 3 ways as a sum of consecutive naturals, for example, 2816712 + ... + 2816791.

It is an arithmetic number, because the mean of its divisors is an integer number (31688460).

Almost surely, 2^225340120 is an apocalyptic number.

225340120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225340120 is an abundant number, since it is smaller than the sum of its proper divisors (281675240).

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

225340120 is a wasteful number, since it uses less digits than its factorization.

225340120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5633514 (or 5633510 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 225340120 is about 15011.3330520644. Note that the first 3 decimals coincide. The cubic root of 225340120 is about 608.5265161571.

Adding to 225340120 its reverse (21043522), we get a palindrome (246383642).

The spelling of 225340120 in words is "two hundred twenty-five million, three hundred forty thousand, one hundred twenty".