7227198 has 64 divisors (see below), whose sum is σ = 18316800. Its totient is φ = 2094840.

The previous prime is 7227197. The next prime is 7227211. The reversal of 7227198 is 8917227.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7227197) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 314215 + ... + 314237.

It is an arithmetic number, because the mean of its divisors is an integer number (286200).

Almost surely, 2^7227198 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7227198, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9158400).

7227198 is an abundant number, since it is smaller than the sum of its proper divisors (11089602).

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

7227198 is a wasteful number, since it uses less digits than its factorization.

7227198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91 (or 39 counting only the distinct ones).

The product of its digits is 14112, while the sum is 36.

The square root of 7227198 is about 2688.3448439514. The cubic root of 7227198 is about 193.3407138152.

The spelling of 7227198 in words is "seven million, two hundred twenty-seven thousand, one hundred ninety-eight".