7522444 has 12 divisors (see below), whose sum is σ = 13444704. Its totient is φ = 3681104.

The previous prime is 7522439. The next prime is 7522451. The reversal of 7522444 is 4442257.

It is a happy 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, 19819 + ... + 20194.

It is an arithmetic number, because the mean of its divisors is an integer number (1120392).

Almost surely, 2^7522444 is an apocalyptic number.

It is an amenable number.

7522444 is a deficient number, since it is larger than the sum of its proper divisors (5922260).

7522444 is a wasteful number, since it uses less digits than its factorization.

7522444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40064 (or 40062 counting only the distinct ones).

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

The square root of 7522444 is about 2742.7074215089. The cubic root of 7522444 is about 195.9384438099.

The spelling of 7522444 in words is "seven million, five hundred twenty-two thousand, four hundred forty-four".