115210222 has 4 divisors (see below), whose sum is σ = 172815336. Its totient is φ = 57605110.

The previous prime is 115210219. The next prime is 115210223. The reversal of 115210222 is 222012511.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 115210196 and 115210205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115210223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28802554 + ... + 28802557.

It is an arithmetic number, because the mean of its divisors is an integer number (43203834).

Almost surely, 2^115210222 is an apocalyptic number.

115210222 is a deficient number, since it is larger than the sum of its proper divisors (57605114).

115210222 is an equidigital number, since it uses as much as digits as its factorization.

115210222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57605113.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 115210222 is about 10733.6024707458. The cubic root of 115210222 is about 486.5905509491.

Adding to 115210222 its reverse (222012511), we get a palindrome (337222733).

The spelling of 115210222 in words is "one hundred fifteen million, two hundred ten thousand, two hundred twenty-two".