7162218 has 24 divisors (see below), whose sum is σ = 17735328. Its totient is φ = 2046312.

The previous prime is 7162171. The next prime is 7162229. The reversal of 7162218 is 8122617.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 7162191 and 7162200.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28296 + ... + 28547.

It is an arithmetic number, because the mean of its divisors is an integer number (738972).

Almost surely, 2^7162218 is an apocalyptic number.

7162218 is an abundant number, since it is smaller than the sum of its proper divisors (10573110).

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

7162218 is a wasteful number, since it uses less digits than its factorization.

7162218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56858 (or 56855 counting only the distinct ones).

The product of its digits is 1344, while the sum is 27.

The square root of 7162218 is about 2676.2320527189. The cubic root of 7162218 is about 192.7595240238.

The spelling of 7162218 in words is "seven million, one hundred sixty-two thousand, two hundred eighteen".