4421252 has 12 divisors (see below), whose sum is σ = 8440656. Its totient is φ = 2009640.

The previous prime is 4421237. The next prime is 4421257. The reversal of 4421252 is 2521244.

It is a happy number.

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (4421257) 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, 50198 + ... + 50285.

It is an arithmetic number, because the mean of its divisors is an integer number (703388).

Almost surely, 2^4421252 is an apocalyptic number.

It is an amenable number.

4421252 is a deficient number, since it is larger than the sum of its proper divisors (4019404).

4421252 is a wasteful number, since it uses less digits than its factorization.

4421252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100498 (or 100496 counting only the distinct ones).

The product of its digits is 640, while the sum is 20.

The square root of 4421252 is about 2102.6773409156. The cubic root of 4421252 is about 164.1276519528.

Adding to 4421252 its reverse (2521244), we get a palindrome (6942496).

The spelling of 4421252 in words is "four million, four hundred twenty-one thousand, two hundred fifty-two".