223221302303 has 4 divisors (see below), whose sum is σ = 223350110328. Its totient is φ = 223092494280.

The previous prime is 223221302281. The next prime is 223221302309. The reversal of 223221302303 is 303203122322.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 223221302303 - 2¹⁴ = 223221285919 is a prime.

It is a super-3 number, since 3×223221302303³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223221302309) 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, 64401413 + ... + 64404878.

It is an arithmetic number, because the mean of its divisors is an integer number (55837527582).

Almost surely, 2^223221302303 is an apocalyptic number.

223221302303 is a deficient number, since it is larger than the sum of its proper divisors (128808025).

223221302303 is a wasteful number, since it uses less digits than its factorization.

223221302303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128808024.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 223221302303 its reverse (303203122322), we get a palindrome (526424424625).

The spelling of 223221302303 in words is "two hundred twenty-three billion, two hundred twenty-one million, three hundred two thousand, three hundred three".