221023003230 has 96 divisors (see below), whose sum is σ = 607124419200. Its totient is φ = 55696252416.

The previous prime is 221023003211. The next prime is 221023003247. The reversal of 221023003230 is 32300320122.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 778215 + ... + 1023554.

It is an arithmetic number, because the mean of its divisors is an integer number (6324212700).

Almost surely, 2^221023003230 is an apocalyptic number.

221023003230 is an abundant number, since it is smaller than the sum of its proper divisors (386101415970).

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

221023003230 is a wasteful number, since it uses less digits than its factorization.

221023003230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1801858 (or 1801855 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 221023003230 its reverse (32300320122), we get a palindrome (253323323352).

The spelling of 221023003230 in words is "two hundred twenty-one billion, twenty-three million, three thousand, two hundred thirty".