7444222 has 8 divisors (see below), whose sum is σ = 11275056. Its totient is φ = 3685872.

The previous prime is 7444201. The next prime is 7444223. The reversal of 7444222 is 2224447.

It is a happy number.

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

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7444223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17863 + ... + 18274.

It is an arithmetic number, because the mean of its divisors is an integer number (1409382).

Almost surely, 2^7444222 is an apocalyptic number.

7444222 is a deficient number, since it is larger than the sum of its proper divisors (3830834).

7444222 is a wasteful number, since it uses less digits than its factorization.

7444222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36242.

The product of its digits is 3584, while the sum is 25.

The square root of 7444222 is about 2728.4101597817. The cubic root of 7444222 is about 195.2569219185.

Adding to 7444222 its reverse (2224447), we get a palindrome (9668669).

The spelling of 7444222 in words is "seven million, four hundred forty-four thousand, two hundred twenty-two".