7222744 has 16 divisors (see below), whose sum is σ = 13651200. Its totient is φ = 3582432.

The previous prime is 7222729. The next prime is 7222757. The reversal of 7222744 is 4472227.

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 2539 + ... + 4570.

It is an arithmetic number, because the mean of its divisors is an integer number (853200).

Almost surely, 2^7222744 is an apocalyptic number.

It is an amenable number.

7222744 is a deficient number, since it is larger than the sum of its proper divisors (6428456).

7222744 is a wasteful number, since it uses less digits than its factorization.

7222744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7242 (or 7238 counting only the distinct ones).

The product of its digits is 6272, while the sum is 28.

The square root of 7222744 is about 2687.5163255318. The cubic root of 7222744 is about 193.3009881151.

The spelling of 7222744 in words is "seven million, two hundred twenty-two thousand, seven hundred forty-four".