4391256922 has 32 divisors (see below), whose sum is σ = 7574168448. Its totient is φ = 1893519936.

The previous prime is 4391256889. The next prime is 4391257007. The reversal of 4391256922 is 2296521934.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59673 + ... + 111100.

It is an arithmetic number, because the mean of its divisors is an integer number (236692764).

Almost surely, 2^4391256922 is an apocalyptic number.

4391256922 is a deficient number, since it is larger than the sum of its proper divisors (3182911526).

4391256922 is a wasteful number, since it uses less digits than its factorization.

4391256922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170854.

The product of its digits is 233280, while the sum is 43.

The square root of 4391256922 is about 66266.5596058827. The cubic root of 4391256922 is about 1637.5564594250.

The spelling of 4391256922 in words is "four billion, three hundred ninety-one million, two hundred fifty-six thousand, nine hundred twenty-two".