7198220 has 12 divisors (see below), whose sum is σ = 15116304. Its totient is φ = 2879280.

The previous prime is 7198199. The next prime is 7198223. The reversal of 7198220 is 228917.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (7198223) 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, 179936 + ... + 179975.

It is an arithmetic number, because the mean of its divisors is an integer number (1259692).

Almost surely, 2^7198220 is an apocalyptic number.

It is an amenable number.

7198220 is an abundant number, since it is smaller than the sum of its proper divisors (7918084).

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

7198220 is a wasteful number, since it uses less digits than its factorization.

7198220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359920 (or 359918 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 7198220 is about 2682.9498690807. The cubic root of 7198220 is about 193.0819629142.

The spelling of 7198220 in words is "seven million, one hundred ninety-eight thousand, two hundred twenty".