223220313660 has 48 divisors (see below), whose sum is σ = 629788021632. Its totient is φ = 59071022400.

The previous prime is 223220313653. The next prime is 223220313707. The reversal of 223220313660 is 66313022322.

It is a super-3 number, since 3×223220313660³ (a number of 35 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14191906 + ... + 14207625.

It is an arithmetic number, because the mean of its divisors is an integer number (13120583784).

Almost surely, 2^223220313660 is an apocalyptic number.

223220313660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223220313660 is an abundant number, since it is smaller than the sum of its proper divisors (406567707972).

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

223220313660 is a wasteful number, since it uses less digits than its factorization.

223220313660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28399674 (or 28399672 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 30.

Adding to 223220313660 its reverse (66313022322), we get a palindrome (289533335982).

The spelling of 223220313660 in words is "two hundred twenty-three billion, two hundred twenty million, three hundred thirteen thousand, six hundred sixty".