223220116655476 has 24 divisors (see below), whose sum is σ = 390675785552640. Its totient is φ = 111598464313632.

The previous prime is 223220116655363. The next prime is 223220116655551. The reversal of 223220116655476 is 674556611022322.

It is a super-3 number, since 3×223220116655476³ (a number of 44 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1775513370 + ... + 1775639086.

It is an arithmetic number, because the mean of its divisors is an integer number (16278157731360).

Almost surely, 2^{223220116655476} is an apocalyptic number.

It is an amenable number.

223220116655476 is a deficient number, since it is larger than the sum of its proper divisors (167455668897164).

223220116655476 is a wasteful number, since it uses less digits than its factorization.

223220116655476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168303 (or 168301 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 52.

Adding to 223220116655476 its reverse (674556611022322), we get a palindrome (897776727677798).

The spelling of 223220116655476 in words is "two hundred twenty-three trillion, two hundred twenty billion, one hundred sixteen million, six hundred fifty-five thousand, four hundred seventy-six".