23021201222 has 8 divisors (see below), whose sum is σ = 34659226272. Its totient is φ = 11468125800.

The previous prime is 23021201221. The next prime is 23021201257. The reversal of 23021201222 is 22210212032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 23021201222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23021201221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21236729 + ... + 21237812.

It is an arithmetic number, because the mean of its divisors is an integer number (4332403284).

Almost surely, 2^23021201222 is an apocalyptic number.

23021201222 is a deficient number, since it is larger than the sum of its proper divisors (11638025050).

23021201222 is a wasteful number, since it uses less digits than its factorization.

23021201222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42474814.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 23021201222 its reverse (22210212032), we get a palindrome (45231413254).

The spelling of 23021201222 in words is "twenty-three billion, twenty-one million, two hundred one thousand, two hundred twenty-two".