115042222 has 4 divisors (see below), whose sum is σ = 172563336. Its totient is φ = 57521110.

The previous prime is 115042189. The next prime is 115042231. The reversal of 115042222 is 222240511.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 115042222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28760554 + ... + 28760557.

It is an arithmetic number, because the mean of its divisors is an integer number (43140834).

Almost surely, 2^115042222 is an apocalyptic number.

115042222 is a deficient number, since it is larger than the sum of its proper divisors (57521114).

115042222 is an equidigital number, since it uses as much as digits as its factorization.

115042222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57521113.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 115042222 is about 10725.7737250046. The cubic root of 115042222 is about 486.3539198063.

Adding to 115042222 its reverse (222240511), we get a palindrome (337282733).

The spelling of 115042222 in words is "one hundred fifteen million, forty-two thousand, two hundred twenty-two".