4221459 has 12 divisors (see below), whose sum is σ = 6652152. Its totient is φ = 2558400.

The previous prime is 4221449. The next prime is 4221467. The reversal of 4221459 is 9541224.

It is not a de Polignac number, because 4221459 - 2¹² = 4217363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4221409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21222 + ... + 21419.

It is an arithmetic number, because the mean of its divisors is an integer number (554346).

Almost surely, 2^4221459 is an apocalyptic number.

4221459 is a deficient number, since it is larger than the sum of its proper divisors (2430693).

4221459 is a wasteful number, since it uses less digits than its factorization.

4221459 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42658 (or 42655 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 4221459 is about 2054.6189427726. The cubic root of 4221459 is about 161.6171802103.

It can be divided in two parts, 422 and 1459, that added together give a palindrome (1881).

The spelling of 4221459 in words is "four million, two hundred twenty-one thousand, four hundred fifty-nine".