23220121222 has 8 divisors (see below), whose sum is σ = 34850124216. Its totient is φ = 11603413152.

The previous prime is 23220121219. The next prime is 23220121259. The reversal of 23220121222 is 22212102232.

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 23220121222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3319363 + ... + 3326350.

It is an arithmetic number, because the mean of its divisors is an integer number (4356265527).

Almost surely, 2^23220121222 is an apocalyptic number.

23220121222 is a deficient number, since it is larger than the sum of its proper divisors (11630002994).

23220121222 is a wasteful number, since it uses less digits than its factorization.

23220121222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6647462.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 23220121222 its reverse (22212102232), we get a palindrome (45432223454).

The spelling of 23220121222 in words is "twenty-three billion, two hundred twenty million, one hundred twenty-one thousand, two hundred twenty-two".