115221244 has 24 divisors (see below), whose sum is σ = 212688000. Its totient is φ = 54465840.

The previous prime is 115221233. The next prime is 115221251. The reversal of 115221244 is 442122511.

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, 44259 + ... + 46789.

It is an arithmetic number, because the mean of its divisors is an integer number (8862000).

Almost surely, 2^115221244 is an apocalyptic number.

It is an amenable number.

115221244 is a deficient number, since it is larger than the sum of its proper divisors (97466756).

115221244 is a wasteful number, since it uses less digits than its factorization.

115221244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3153 (or 3151 counting only the distinct ones).

The product of its digits is 640, while the sum is 22.

The square root of 115221244 is about 10734.1158927971. The cubic root of 115221244 is about 486.6060675990.

Adding to 115221244 its reverse (442122511), we get a palindrome (557343755).

The spelling of 115221244 in words is "one hundred fifteen million, two hundred twenty-one thousand, two hundred forty-four".