218314122 has 16 divisors (see below), whose sum is σ = 470215200. Its totient is φ = 67173552.

The previous prime is 218314111. The next prime is 218314169. The reversal of 218314122 is 221413812.

It is a super-2 number, since 2×218314122² = 95322111729261768, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 218314092 and 218314101.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1399372 + ... + 1399527.

It is an arithmetic number, because the mean of its divisors is an integer number (29388450).

Almost surely, 2^218314122 is an apocalyptic number.

218314122 is an abundant number, since it is smaller than the sum of its proper divisors (251901078).

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

218314122 is a wasteful number, since it uses less digits than its factorization.

218314122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2798917.

The product of its digits is 768, while the sum is 24.

The square root of 218314122 is about 14775.4567442093. The cubic root of 218314122 is about 602.1350987986.

Adding to 218314122 its reverse (221413812), we get a palindrome (439727934).

The spelling of 218314122 in words is "two hundred eighteen million, three hundred fourteen thousand, one hundred twenty-two".