115422222 has 8 divisors (see below), whose sum is σ = 230844456. Its totient is φ = 38474072.

The previous prime is 115422221. The next prime is 115422259. The reversal of 115422222 is 222224511.

It is a sphenic number, since it is the product of 3 distinct primes.

115422222 is an admirable number.

115422222 is a modest number, since divided by 22222 gives 1154 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115422221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9618513 + ... + 9618524.

It is an arithmetic number, because the mean of its divisors is an integer number (28855557).

Almost surely, 2^115422222 is an apocalyptic number.

115422222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

115422222 is a wasteful number, since it uses less digits than its factorization.

115422222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19237042.

The product of its digits is 640, while the sum is 21.

The square root of 115422222 is about 10743.4734606644. The cubic root of 115422222 is about 486.8888288447. Note that the first 4 decimals are identical.

Adding to 115422222 its reverse (222224511), we get a palindrome (337646733).

The spelling of 115422222 in words is "one hundred fifteen million, four hundred twenty-two thousand, two hundred twenty-two".