4421156 has 24 divisors (see below), whose sum is σ = 8305920. Its totient is φ = 2051712.

The previous prime is 4421147. The next prime is 4421159. The reversal of 4421156 is 6511244.

It is not an unprimeable number, because it can be changed into a prime (4421159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4961 + ... + 5783.

It is an arithmetic number, because the mean of its divisors is an integer number (346080).

Almost surely, 2^4421156 is an apocalyptic number.

It is an amenable number.

4421156 is a deficient number, since it is larger than the sum of its proper divisors (3884764).

4421156 is a wasteful number, since it uses less digits than its factorization.

4421156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 923 (or 921 counting only the distinct ones).

The product of its digits is 960, while the sum is 23.

The square root of 4421156 is about 2102.6545127529. The cubic root of 4421156 is about 164.1264640262.

The spelling of 4421156 in words is "four million, four hundred twenty-one thousand, one hundred fifty-six".