4421402 has 8 divisors (see below), whose sum is σ = 6741012. Its totient is φ = 2174400.

The previous prime is 4421371. The next prime is 4421407. The reversal of 4421402 is 2041244.

It can be written as a sum of positive squares in 2 ways, for example, as 2785561 + 1635841 = 1669^2 + 1279^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (4421407) 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, 17999 + ... + 18242.

Almost surely, 2^4421402 is an apocalyptic number.

4421402 is a deficient number, since it is larger than the sum of its proper divisors (2319610).

4421402 is a wasteful number, since it uses less digits than its factorization.

4421402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36304.

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

The square root of 4421402 is about 2102.7130094238. The cubic root of 4421402 is about 164.1295080537.

Adding to 4421402 its reverse (2041244), we get a palindrome (6462646).

The spelling of 4421402 in words is "four million, four hundred twenty-one thousand, four hundred two".