223666612200 has 240 divisors, whose sum is σ = 803616115500. Its totient is φ = 57587604480.

The previous prime is 223666612187. The next prime is 223666612219. The reversal of 223666612200 is 2216666322.

It can be written as a sum of positive squares in 6 ways, for example, as 132427576836 + 91239035364 = 363906^2 + 302058^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 231756 + ... + 707844.

Almost surely, 2^223666612200 is an apocalyptic number.

223666612200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 223666612200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (401808057750).

223666612200 is an abundant number, since it is smaller than the sum of its proper divisors (579949503300).

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

223666612200 is a wasteful number, since it uses less digits than its factorization.

223666612200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476146 (or 476128 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The spelling of 223666612200 in words is "two hundred twenty-three billion, six hundred sixty-six million, six hundred twelve thousand, two hundred".