115640623222 has 8 divisors (see below), whose sum is σ = 173933581536. Its totient is φ = 57662762712.

The previous prime is 115640623201. The next prime is 115640623223. The reversal of 115640623222 is 222326046511.

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

It is a super-2 number, since 2×115640623222² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115640623223) 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, 78773533 + ... + 78775000.

It is an arithmetic number, because the mean of its divisors is an integer number (21741697692).

Almost surely, 2^115640623222 is an apocalyptic number.

115640623222 is a deficient number, since it is larger than the sum of its proper divisors (58292958314).

115640623222 is a wasteful number, since it uses less digits than its factorization.

115640623222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157548902.

The product of its (nonzero) digits is 34560, while the sum is 34.

Adding to 115640623222 its reverse (222326046511), we get a palindrome (337966669733).

The spelling of 115640623222 in words is "one hundred fifteen billion, six hundred forty million, six hundred twenty-three thousand, two hundred twenty-two".