4421420 has 12 divisors (see below), whose sum is σ = 9285024. Its totient is φ = 1768560.

The previous prime is 4421413. The next prime is 4421423. The reversal of 4421420 is 241244.

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (4421423) 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, 110516 + ... + 110555.

It is an arithmetic number, because the mean of its divisors is an integer number (773752).

Almost surely, 2^4421420 is an apocalyptic number.

It is an amenable number.

4421420 is an abundant number, since it is smaller than the sum of its proper divisors (4863604).

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

4421420 is a wasteful number, since it uses less digits than its factorization.

4421420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221080 (or 221078 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 4421420 is about 2102.7172896041. The cubic root of 4421420 is about 164.1297307830.

Adding to 4421420 its reverse (241244), we get a palindrome (4662664).

The spelling of 4421420 in words is "four million, four hundred twenty-one thousand, four hundred twenty".