7422189 has 8 divisors (see below), whose sum is σ = 10137792. Its totient is φ = 4827360.

The previous prime is 7422167. The next prime is 7422199. The reversal of 7422189 is 9812247.

It is a happy number.

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

It is not a de Polignac number, because 7422189 - 2⁷ = 7422061 is a prime.

7422189 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7422199) 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 7 ways as a sum of consecutive naturals, for example, 30049 + ... + 30294.

It is an arithmetic number, because the mean of its divisors is an integer number (1267224).

Almost surely, 2^7422189 is an apocalyptic number.

It is an amenable number.

7422189 is a deficient number, since it is larger than the sum of its proper divisors (2715603).

7422189 is a wasteful number, since it uses less digits than its factorization.

7422189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60387.

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

The square root of 7422189 is about 2724.3694683357. The cubic root of 7422189 is about 195.0640946437.

The spelling of 7422189 in words is "seven million, four hundred twenty-two thousand, one hundred eighty-nine".