7222230 has 64 divisors (see below), whose sum is σ = 20113920. Its totient is φ = 1840608.

The previous prime is 7222219. The next prime is 7222279. The reversal of 7222230 is 322227.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5629 + ... + 6791.

It is an arithmetic number, because the mean of its divisors is an integer number (314280).

Almost surely, 2^7222230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7222230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10056960).

7222230 is an abundant number, since it is smaller than the sum of its proper divisors (12891690).

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

7222230 is a wasteful number, since it uses less digits than its factorization.

7222230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1202 (or 1196 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 18.

The square root of 7222230 is about 2687.4206965044. The cubic root of 7222230 is about 193.2964026434.

Adding to 7222230 its reverse (322227), we get a palindrome (7544457).

The spelling of 7222230 in words is "seven million, two hundred twenty-two thousand, two hundred thirty".