7422544 has 20 divisors (see below), whose sum is σ = 14654196. Its totient is φ = 3640832.

The previous prime is 7422539. The next prime is 7422551. The reversal of 7422544 is 4452247.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5953600 + 1468944 = 2440^2 + 1212^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3529 + ... + 5224.

Almost surely, 2^7422544 is an apocalyptic number.

It is an amenable number.

7422544 is a deficient number, since it is larger than the sum of its proper divisors (7231652).

7422544 is a wasteful number, since it uses less digits than its factorization.

7422544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8814 (or 8808 counting only the distinct ones).

The product of its digits is 8960, while the sum is 28.

The square root of 7422544 is about 2724.4346202469. The cubic root of 7422544 is about 195.0672045371.

The spelling of 7422544 in words is "seven million, four hundred twenty-two thousand, five hundred forty-four".