223302221000 has 32 divisors (see below), whose sum is σ = 522527199480. Its totient is φ = 89320888000.

The previous prime is 223302220993. The next prime is 223302221011. The reversal of 223302221000 is 122203322.

It can be written as a sum of positive squares in 4 ways, for example, as 132817971364 + 90484249636 = 364442^2 + 300806^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 223302221000.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111650111 + ... + 111652110.

Almost surely, 2^223302221000 is an apocalyptic number.

223302221000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223302221000 is an abundant number, since it is smaller than the sum of its proper divisors (299224978480).

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

223302221000 is a wasteful number, since it uses less digits than its factorization.

223302221000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223302242 (or 223302228 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 223302221000 its reverse (122203322), we get a palindrome (223424424322).

The spelling of 223302221000 in words is "two hundred twenty-three billion, three hundred two million, two hundred twenty-one thousand".