4047322 has 4 divisors (see below), whose sum is σ = 6070986. Its totient is φ = 2023660.

The previous prime is 4047317. The next prime is 4047331. The reversal of 4047322 is 2237404.

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., 3767481 + 279841 = 1941^2 + 529^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 4047293 and 4047302.

It is an unprimeable number.

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, 1011829 + ... + 1011832.

Almost surely, 2^4047322 is an apocalyptic number.

4047322 is a deficient number, since it is larger than the sum of its proper divisors (2023664).

4047322 is a wasteful number, since it uses less digits than its factorization.

4047322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2023663.

The product of its (nonzero) digits is 1344, while the sum is 22.

The square root of 4047322 is about 2011.7957152753. The cubic root of 4047322 is about 159.3636443018.

The spelling of 4047322 in words is "four million, forty-seven thousand, three hundred twenty-two".