321220223230 has 32 divisors (see below), whose sum is σ = 587756966400. Its totient is φ = 126369603360.

The previous prime is 321220223201. The next prime is 321220223243. The reversal of 321220223230 is 32322022123.

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, 42871 + ... + 802669.

It is an arithmetic number, because the mean of its divisors is an integer number (18367405200).

Almost surely, 2^321220223230 is an apocalyptic number.

321220223230 is a deficient number, since it is larger than the sum of its proper divisors (266536743170).

321220223230 is a wasteful number, since it uses less digits than its factorization.

321220223230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 760504.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 321220223230 its reverse (32322022123), we get a palindrome (353542245353).

The spelling of 321220223230 in words is "three hundred twenty-one billion, two hundred twenty million, two hundred twenty-three thousand, two hundred thirty".