7229889 has 24 divisors (see below), whose sum is σ = 11119680. Its totient is φ = 4516512.

The previous prime is 7229867. The next prime is 7229897. The reversal of 7229889 is 9889227.

It is not a de Polignac number, because 7229889 - 2⁵ = 7229857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7229809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10642 + ... + 11300.

It is an arithmetic number, because the mean of its divisors is an integer number (463320).

Almost surely, 2^7229889 is an apocalyptic number.

It is an amenable number.

7229889 is a deficient number, since it is larger than the sum of its proper divisors (3889791).

7229889 is a wasteful number, since it uses less digits than its factorization.

7229889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 741 (or 738 counting only the distinct ones).

The product of its digits is 145152, while the sum is 45.

The square root of 7229889 is about 2688.8452911984. The cubic root of 7229889 is about 193.3647072218.

It can be divided in two parts, 7229 and 889, that added together give a palindrome (8118).

The spelling of 7229889 in words is "seven million, two hundred twenty-nine thousand, eight hundred eighty-nine".