223111304220 has 96 divisors (see below), whose sum is σ = 715840473600. Its totient is φ = 50862276864.

The previous prime is 223111304219. The next prime is 223111304263. The reversal of 223111304220 is 22403111322.

223111304220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×223111304220³ (a number of 35 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 541635 + ... + 859994.

It is an arithmetic number, because the mean of its divisors is an integer number (7456671600).

Almost surely, 2^223111304220 is an apocalyptic number.

223111304220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223111304220 is an abundant number, since it is smaller than the sum of its proper divisors (492729169380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

223111304220 is a wasteful number, since it uses less digits than its factorization.

223111304220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1402027 (or 1402025 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 223111304220 its reverse (22403111322), we get a palindrome (245514415542).

The spelling of 223111304220 in words is "two hundred twenty-three billion, one hundred eleven million, three hundred four thousand, two hundred twenty".