22440674 has 4 divisors (see below), whose sum is σ = 33661014. Its totient is φ = 11220336.

The previous prime is 22440643. The next prime is 22440679. The reversal of 22440674 is 47604422.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 22420225 + 20449 = 4735^2 + 143^2 .

It is not an unprimeable number, because it can be changed into a prime (22440679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5610167 + ... + 5610170.

Almost surely, 2^22440674 is an apocalyptic number.

22440674 is a deficient number, since it is larger than the sum of its proper divisors (11220340).

22440674 is a wasteful number, since it uses less digits than its factorization.

22440674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11220339.

The product of its (nonzero) digits is 10752, while the sum is 29.

The square root of 22440674 is about 4737.1588531524. The cubic root of 22440674 is about 282.0624662519.

The spelling of 22440674 in words is "twenty-two million, four hundred forty thousand, six hundred seventy-four".