115220446 has 32 divisors (see below), whose sum is σ = 199267200. Its totient is φ = 49416480.

The previous prime is 115220429. The next prime is 115220447. The reversal of 115220446 is 644022511.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 115220446.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115220447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155545 + ... + 156283.

It is an arithmetic number, because the mean of its divisors is an integer number (6227100).

Almost surely, 2^115220446 is an apocalyptic number.

115220446 is a deficient number, since it is larger than the sum of its proper divisors (84046754).

115220446 is a wasteful number, since it uses less digits than its factorization.

115220446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1144.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 115220446 is about 10734.0787215299. The cubic root of 115220446 is about 486.6049442166.

Adding to 115220446 its reverse (644022511), we get a palindrome (759242957).

The spelling of 115220446 in words is "one hundred fifteen million, two hundred twenty thousand, four hundred forty-six".