115222030 has 48 divisors (see below), whose sum is σ = 263205936. Its totient is φ = 35911680.

The previous prime is 115222021. The next prime is 115222031. The reversal of 115222030 is 30222511.

It is a super-2 number, since 2×115222030² = 26552232394641800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 115221995 and 115222013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115222031) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5299 + ... + 16078.

It is an arithmetic number, because the mean of its divisors is an integer number (5483457).

Almost surely, 2^115222030 is an apocalyptic number.

115222030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115222030 is an abundant number, since it is smaller than the sum of its proper divisors (147983906).

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

115222030 is a wasteful number, since it uses less digits than its factorization.

115222030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21409 (or 21402 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 115222030 is about 10734.1525049722. The cubic root of 115222030 is about 486.6071740833.

Adding to 115222030 its reverse (30222511), we get a palindrome (145444541).

The spelling of 115222030 in words is "one hundred fifteen million, two hundred twenty-two thousand, thirty".