223220333233 has 4 divisors (see below), whose sum is σ = 223354079860. Its totient is φ = 223086586608.

The previous prime is 223220333137. The next prime is 223220333239. The reversal of 223220333233 is 332333022322.

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

It can be written as a sum of positive squares in 2 ways, for example, as 156979986849 + 66240346384 = 396207^2 + 257372^2 .

It is a cyclic number.

It is not a de Polignac number, because 223220333233 - 2²¹ = 223218236081 is a prime.

It is a super-3 number, since 3×223220333233³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (223220333239) 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, 66870810 + ... + 66874147.

It is an arithmetic number, because the mean of its divisors is an integer number (55838519965).

Almost surely, 2^223220333233 is an apocalyptic number.

It is an amenable number.

223220333233 is a deficient number, since it is larger than the sum of its proper divisors (133746627).

223220333233 is a wasteful number, since it uses less digits than its factorization.

223220333233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133746626.

The product of its (nonzero) digits is 23328, while the sum is 28.

Adding to 223220333233 its reverse (332333022322), we get a palindrome (555553355555).

The spelling of 223220333233 in words is "two hundred twenty-three billion, two hundred twenty million, three hundred thirty-three thousand, two hundred thirty-three".