7224189 has 16 divisors (see below), whose sum is σ = 11046912. Its totient is φ = 4113648.

The previous prime is 7224181. The next prime is 7224197. The reversal of 7224189 is 9814227.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (7224181) and next prime (7224197).

It is not a de Polignac number, because 7224189 - 2³ = 7224181 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7224181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9352 + ... + 10094.

It is an arithmetic number, because the mean of its divisors is an integer number (690432).

Almost surely, 2^7224189 is an apocalyptic number.

It is an amenable number.

7224189 is a deficient number, since it is larger than the sum of its proper divisors (3822723).

7224189 is a wasteful number, since it uses less digits than its factorization.

7224189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1216.

The product of its digits is 8064, while the sum is 33.

The square root of 7224189 is about 2687.7851476634. The cubic root of 7224189 is about 193.3138780132.

The spelling of 7224189 in words is "seven million, two hundred twenty-four thousand, one hundred eighty-nine".