115003220 has 24 divisors (see below), whose sum is σ = 252008064. Its totient is φ = 44001056.

The previous prime is 115003177. The next prime is 115003267. The reversal of 115003220 is 22300511.

It is a happy number.

It is a super-2 number, since 2×115003220² = 26451481220736800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 115003195 and 115003204.

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, 124544 + ... + 125463.

It is an arithmetic number, because the mean of its divisors is an integer number (10500336).

Almost surely, 2^115003220 is an apocalyptic number.

115003220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115003220 is an abundant number, since it is smaller than the sum of its proper divisors (137004844).

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

115003220 is a wasteful number, since it uses less digits than its factorization.

115003220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250039 (or 250037 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 115003220 is about 10723.9554269868. The cubic root of 115003220 is about 486.2989518149.

Adding to 115003220 its reverse (22300511), we get a palindrome (137303731).

The spelling of 115003220 in words is "one hundred fifteen million, three thousand, two hundred twenty".