4221330 has 32 divisors (see below), whose sum is σ = 10407744. Its totient is φ = 1094976.

The previous prime is 4221323. The next prime is 4221337. The reversal of 4221330 is 331224.

It is an interprime number because it is at equal distance from previous prime (4221323) and next prime (4221337).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (4221337) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 792 + ... + 3011.

It is an arithmetic number, because the mean of its divisors is an integer number (325242).

Almost surely, 2^4221330 is an apocalyptic number.

4221330 is an abundant number, since it is smaller than the sum of its proper divisors (6186414).

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

4221330 is a wasteful number, since it uses less digits than its factorization.

4221330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3850.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 4221330 is about 2054.5875498503. The cubic root of 4221330 is about 161.6155339526.

Adding to 4221330 its reverse (331224), we get a palindrome (4552554).

The spelling of 4221330 in words is "four million, two hundred twenty-one thousand, three hundred thirty".