4420556 has 12 divisors (see below), whose sum is σ = 8841168. Its totient is φ = 1894512.

The previous prime is 4420553. The next prime is 4420567. The reversal of 4420556 is 6550244.

4420556 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (4420553) 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, 78911 + ... + 78966.

It is an arithmetic number, because the mean of its divisors is an integer number (736764).

Almost surely, 2^4420556 is an apocalyptic number.

It is an amenable number.

4420556 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4420556 is a wasteful number, since it uses less digits than its factorization.

4420556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157888 (or 157886 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 4420556 is about 2102.5118311201. The cubic root of 4420556 is about 164.1190390953.

The spelling of 4420556 in words is "four million, four hundred twenty thousand, five hundred fifty-six".