23021212222 has 8 divisors (see below), whose sum is σ = 35266538016. Its totient is φ = 11265699552.

The previous prime is 23021212211. The next prime is 23021212271. The reversal of 23021212222 is 22221212032.

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 23021212222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122453163 + ... + 122453350.

It is an arithmetic number, because the mean of its divisors is an integer number (4408317252).

Almost surely, 2^23021212222 is an apocalyptic number.

23021212222 is a deficient number, since it is larger than the sum of its proper divisors (12245325794).

23021212222 is a wasteful number, since it uses less digits than its factorization.

23021212222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244906562.

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

Adding to 23021212222 its reverse (22221212032), we get a palindrome (45242424254).

The spelling of 23021212222 in words is "twenty-three billion, twenty-one million, two hundred twelve thousand, two hundred twenty-two".