4421885 has 12 divisors (see below), whose sum is σ = 5746932. Its totient is φ = 3264768.

The previous prime is 4421869. The next prime is 4421897. The reversal of 4421885 is 5881244.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 120409 + 4301476 = 347^2 + 2074^2 .

It is not a de Polignac number, because 4421885 - 2⁴ = 4421869 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a nialpdrome in base 13.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1772 + ... + 3461.

It is an arithmetic number, because the mean of its divisors is an integer number (478911).

Almost surely, 2^4421885 is an apocalyptic number.

It is an amenable number.

4421885 is a deficient number, since it is larger than the sum of its proper divisors (1325047).

4421885 is a wasteful number, since it uses less digits than its factorization.

4421885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5264 (or 5251 counting only the distinct ones).

The product of its digits is 10240, while the sum is 32.

The square root of 4421885 is about 2102.8278579094. The cubic root of 4421885 is about 164.1354844134.

The spelling of 4421885 in words is "four million, four hundred twenty-one thousand, eight hundred eighty-five".