4440645322 has 4 divisors (see below), whose sum is σ = 6660967986. Its totient is φ = 2220322660.

The previous prime is 4440645289. The next prime is 4440645331. The reversal of 4440645322 is 2235460444.

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., 2253305961 + 2187339361 = 47469^2 + 46769^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1110161329 + ... + 1110161332.

Almost surely, 2^4440645322 is an apocalyptic number.

4440645322 is a deficient number, since it is larger than the sum of its proper divisors (2220322664).

4440645322 is a wasteful number, since it uses less digits than its factorization.

4440645322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2220322663.

The product of its (nonzero) digits is 92160, while the sum is 34.

The square root of 4440645322 is about 66638.1671566678. The cubic root of 4440645322 is about 1643.6727772576.

The spelling of 4440645322 in words is "four billion, four hundred forty million, six hundred forty-five thousand, three hundred twenty-two".