7222244 has 6 divisors (see below), whose sum is σ = 12638934. Its totient is φ = 3611120.

The previous prime is 7222219. The next prime is 7222279. The reversal of 7222244 is 4422227.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 5345344 + 1876900 = 2312^2 + 1370^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 902777 + ... + 902784.

It is an arithmetic number, because the mean of its divisors is an integer number (2106489).

Almost surely, 2^7222244 is an apocalyptic number.

It is an amenable number.

7222244 is a deficient number, since it is larger than the sum of its proper divisors (5416690).

7222244 is a wasteful number, since it uses less digits than its factorization.

7222244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1805565 (or 1805563 counting only the distinct ones).

The product of its digits is 1792, while the sum is 23.

The square root of 7222244 is about 2687.4233012311. The cubic root of 7222244 is about 193.2965275424.

The spelling of 7222244 in words is "seven million, two hundred twenty-two thousand, two hundred forty-four".