4421047 has 4 divisors (see below), whose sum is σ = 4496040. Its totient is φ = 4346056.

The previous prime is 4421041. The next prime is 4421063. The reversal of 4421047 is 7401244.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4421047 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 (4421041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37408 + ... + 37525.

It is an arithmetic number, because the mean of its divisors is an integer number (1124010).

Almost surely, 2^4421047 is an apocalyptic number.

4421047 is a deficient number, since it is larger than the sum of its proper divisors (74993).

4421047 is an equidigital number, since it uses as much as digits as its factorization.

4421047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74992.

The product of its (nonzero) digits is 896, while the sum is 22.

The square root of 4421047 is about 2102.6285929759. The cubic root of 4421047 is about 164.1251152137.

The spelling of 4421047 in words is "four million, four hundred twenty-one thousand, forty-seven".