7226222 has 8 divisors (see below), whose sum is σ = 10922472. Its totient is φ = 3585400.

The previous prime is 7226201. The next prime is 7226227. The reversal of 7226222 is 2226227.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7226227) by changing a digit.

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, 13529 + ... + 14052.

It is an arithmetic number, because the mean of its divisors is an integer number (1365309).

Almost surely, 2^7226222 is an apocalyptic number.

7226222 is a deficient number, since it is larger than the sum of its proper divisors (3696250).

7226222 is a wasteful number, since it uses less digits than its factorization.

7226222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27714.

The product of its digits is 1344, while the sum is 23.

The square root of 7226222 is about 2688.1633134912. The cubic root of 7226222 is about 193.3320101640.

The spelling of 7226222 in words is "seven million, two hundred twenty-six thousand, two hundred twenty-two".