4221042 has 16 divisors (see below), whose sum is σ = 9648192. Its totient is φ = 1206000.

The previous prime is 4221031. The next prime is 4221047. The reversal of 4221042 is 2401224.

It is not an unprimeable number, because it can be changed into a prime (4221047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50209 + ... + 50292.

It is an arithmetic number, because the mean of its divisors is an integer number (603012).

Almost surely, 2^4221042 is an apocalyptic number.

4221042 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

4221042 is an abundant number, since it is smaller than the sum of its proper divisors (5427150).

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

4221042 is a wasteful number, since it uses less digits than its factorization.

4221042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100513.

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 4221042 is about 2054.5174615953. The cubic root of 4221042 is about 161.6118584655.

Adding to 4221042 its reverse (2401224), we get a palindrome (6622266).

The spelling of 4221042 in words is "four million, two hundred twenty-one thousand, forty-two".