220244403 has 8 divisors (see below), whose sum is σ = 293742288. Its totient is φ = 146788064.

The previous prime is 220244393. The next prime is 220244441. The reversal of 220244403 is 304442022.

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

It is a cyclic number.

It is not a de Polignac number, because 220244403 - 2¹⁰ = 220243379 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 220244403.

It is not an unprimeable number, because it can be changed into a prime (220244603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5425 + ... + 21677.

It is an arithmetic number, because the mean of its divisors is an integer number (36717786).

Almost surely, 2^220244403 is an apocalyptic number.

220244403 is a deficient number, since it is larger than the sum of its proper divisors (73497885).

220244403 is a wasteful number, since it uses less digits than its factorization.

220244403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20773.

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 220244403 is about 14840.6335107367. The cubic root of 220244403 is about 603.9045386243.

Adding to 220244403 its reverse (304442022), we get a palindrome (524686425).

The spelling of 220244403 in words is "two hundred twenty million, two hundred forty-four thousand, four hundred three".