233331221213222 has 128 divisors (see below), whose sum is σ = 393904325652480. Its totient is φ = 102765487680000.

The previous prime is 233331221213197. The next prime is 233331221213231. The reversal of 233331221213222 is 222312122133332.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 22528837268 + ... + 22528847624.

It is an arithmetic number, because the mean of its divisors is an integer number (3077377544160).

Almost surely, 2^{233331221213222} is an apocalyptic number.

233331221213222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

233331221213222 is a deficient number, since it is larger than the sum of its proper divisors (160573104439258).

233331221213222 is a wasteful number, since it uses less digits than its factorization.

233331221213222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11358.

The product of its digits is 31104, while the sum is 32.

Adding to 233331221213222 its reverse (222312122133332), we get a palindrome (455643343346554).

The spelling of 233331221213222 in words is "two hundred thirty-three trillion, three hundred thirty-one billion, two hundred twenty-one million, two hundred thirteen thousand, two hundred twenty-two".