22974445 has 8 divisors (see below), whose sum is σ = 29690136. Its totient is φ = 16965696.

The previous prime is 22974431. The next prime is 22974449. The reversal of 22974445 is 54447922.

It can be written as a sum of positive squares in 4 ways, for example, as 145161 + 22829284 = 381^2 + 4778^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 22974445 - 2⁹ = 22973933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22974449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 176662 + ... + 176791.

It is an arithmetic number, because the mean of its divisors is an integer number (3711267).

Almost surely, 2^22974445 is an apocalyptic number.

It is an amenable number.

22974445 is a deficient number, since it is larger than the sum of its proper divisors (6715691).

22974445 is a wasteful number, since it uses less digits than its factorization.

22974445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353471.

The product of its digits is 80640, while the sum is 37.

The square root of 22974445 is about 4793.1664899104. The cubic root of 22974445 is about 284.2813328353.

The spelling of 22974445 in words is "twenty-two million, nine hundred seventy-four thousand, four hundred forty-five".