115225240 has 32 divisors (see below), whose sum is σ = 279200880. Its totient is φ = 42544512.

The previous prime is 115225181. The next prime is 115225249. The reversal of 115225240 is 42522511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115225249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110274 + ... + 111313.

Almost surely, 2^115225240 is an apocalyptic number.

115225240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115225240 is an abundant number, since it is smaller than the sum of its proper divisors (163975640).

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

115225240 is a wasteful number, since it uses less digits than its factorization.

115225240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221611 (or 221607 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 115225240 is about 10734.3020266806. The cubic root of 115225240 is about 486.6116928792.

Adding to 115225240 its reverse (42522511), we get a palindrome (157747751).

The spelling of 115225240 in words is "one hundred fifteen million, two hundred twenty-five thousand, two hundred forty".