7322445 has 24 divisors (see below), whose sum is σ = 13669656. Its totient is φ = 3604608.

The previous prime is 7322437. The next prime is 7322489. The reversal of 7322445 is 5442237.

It can be written as a sum of positive squares in 4 ways, for example, as 1077444 + 6245001 = 1038^2 + 2499^2 .

It is not a de Polignac number, because 7322445 - 2³ = 7322437 is a prime.

It is an Ulam number.

It is a nialpdrome in base 15.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5674 + ... + 6843.

It is an arithmetic number, because the mean of its divisors is an integer number (569569).

Almost surely, 2^7322445 is an apocalyptic number.

It is an amenable number.

7322445 is a deficient number, since it is larger than the sum of its proper divisors (6347211).

7322445 is a wasteful number, since it uses less digits than its factorization.

7322445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12541 (or 12538 counting only the distinct ones).

The product of its digits is 6720, while the sum is 27.

The square root of 7322445 is about 2706.0016629707. The cubic root of 7322445 is about 194.1863533327.

The spelling of 7322445 in words is "seven million, three hundred twenty-two thousand, four hundred forty-five".