223221004403 has 16 divisors (see below), whose sum is σ = 239384448576. Its totient is φ = 207603601920.

The previous prime is 223221004393. The next prime is 223221004427. The reversal of 223221004403 is 304400122322.

223221004403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 223221004403 - 2⁴ = 223221004387 is a prime.

It is a super-3 number, since 3×223221004403³ (a number of 35 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223221004483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1171775 + ... + 1348887.

It is an arithmetic number, because the mean of its divisors is an integer number (14961528036).

Almost surely, 2^223221004403 is an apocalyptic number.

223221004403 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

223221004403 is a deficient number, since it is larger than the sum of its proper divisors (16163444173).

223221004403 is a wasteful number, since it uses less digits than its factorization.

223221004403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178654.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 223221004403 its reverse (304400122322), we get a palindrome (527621126725).

The spelling of 223221004403 in words is "two hundred twenty-three billion, two hundred twenty-one million, four thousand, four hundred three".