115422272 has 28 divisors (see below), whose sum is σ = 261762240. Its totient is φ = 49466496.

The previous prime is 115422259. The next prime is 115422301. The reversal of 115422272 is 272224511.

It is a tau number, because it is divible by the number of its divisors (28).

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, 128372 + ... + 129267.

Almost surely, 2^115422272 is an apocalyptic number.

It is an amenable number.

115422272 is an abundant number, since it is smaller than the sum of its proper divisors (146339968).

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

115422272 is an equidigital number, since it uses as much as digits as its factorization.

115422272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257658 (or 257648 counting only the distinct ones).

The product of its digits is 2240, while the sum is 26.

The square root of 115422272 is about 10743.4757876583. The cubic root of 115422272 is about 486.8888991502. Note that the first 4 decimals are identical.

Adding to 115422272 its reverse (272224511), we get a palindrome (387646783).

The spelling of 115422272 in words is "one hundred fifteen million, four hundred twenty-two thousand, two hundred seventy-two".