11220459 has 8 divisors (see below), whose sum is σ = 15840720. Its totient is φ = 7040256.

The previous prime is 11220457. The next prime is 11220467. The reversal of 11220459 is 95402211.

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

It is not a de Polignac number, because 11220459 - 2¹ = 11220457 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (11220457) 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, 109954 + ... + 110055.

It is an arithmetic number, because the mean of its divisors is an integer number (1980090).

Almost surely, 2^11220459 is an apocalyptic number.

11220459 is a deficient number, since it is larger than the sum of its proper divisors (4620261).

11220459 is a wasteful number, since it uses less digits than its factorization.

11220459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220029.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 11220459 is about 3349.6953592827. The cubic root of 11220459 is about 223.8739392209.

The spelling of 11220459 in words is "eleven million, two hundred twenty thousand, four hundred fifty-nine".