122220718 has 8 divisors (see below), whose sum is σ = 194115312. Its totient is φ = 57515616.

The previous prime is 122220697. The next prime is 122220733. The reversal of 122220718 is 817022221.

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

It is a junction number, because it is equal to n+sod(n) for n = 122220692 and 122220701.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1797330 + ... + 1797397.

It is an arithmetic number, because the mean of its divisors is an integer number (24264414).

Almost surely, 2^122220718 is an apocalyptic number.

122220718 is a deficient number, since it is larger than the sum of its proper divisors (71894594).

122220718 is a wasteful number, since it uses less digits than its factorization.

122220718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3594746.

The product of its (nonzero) digits is 896, while the sum is 25.

The square root of 122220718 is about 11055.3479366323. The cubic root of 122220718 is about 496.2664817389.

Adding to 122220718 its reverse (817022221), we get a palindrome (939242939).

The spelling of 122220718 in words is "one hundred twenty-two million, two hundred twenty thousand, seven hundred eighteen".