223220642332274 has 4 divisors (see below), whose sum is σ = 334830963498414. Its totient is φ = 111610321166136.

The previous prime is 223220642332169. The next prime is 223220642332291. The reversal of 223220642332274 is 472233246022322.

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

It can be written as a sum of positive squares in only one way, i.e., 196721466702049 + 26499175630225 = 14025743^2 + 5147735^2 .

It is a super-3 number, since 3×223220642332274³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55805160583067 + ... + 55805160583070.

Almost surely, 2^{223220642332274} is an apocalyptic number.

223220642332274 is a deficient number, since it is larger than the sum of its proper divisors (111610321166140).

223220642332274 is a wasteful number, since it uses less digits than its factorization.

223220642332274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111610321166139.

The product of its (nonzero) digits is 2322432, while the sum is 44.

Adding to 223220642332274 its reverse (472233246022322), we get a palindrome (695453888354596).

The spelling of 223220642332274 in words is "two hundred twenty-three trillion, two hundred twenty billion, six hundred forty-two million, three hundred thirty-two thousand, two hundred seventy-four".