7244222 has 4 divisors (see below), whose sum is σ = 10866336. Its totient is φ = 3622110.

The previous prime is 7244191. The next prime is 7244233. The reversal of 7244222 is 2224427.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2224427 = 797 ⋅2791.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1811054 + ... + 1811057.

It is an arithmetic number, because the mean of its divisors is an integer number (2716584).

Almost surely, 2^7244222 is an apocalyptic number.

7244222 is a deficient number, since it is larger than the sum of its proper divisors (3622114).

7244222 is a wasteful number, since it uses less digits than its factorization.

7244222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3622113.

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

The square root of 7244222 is about 2691.5092420425. The cubic root of 7244222 is about 193.4924024464.

Adding to 7244222 its reverse (2224427), we get a palindrome (9468649).

The spelling of 7244222 in words is "seven million, two hundred forty-four thousand, two hundred twenty-two".