23142021222 has 48 divisors (see below), whose sum is σ = 50366130192. Its totient is φ = 7083141120.

The previous prime is 23142021211. The next prime is 23142021289. The reversal of 23142021222 is 22212024132.

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 23 ways as a sum of consecutive naturals, for example, 91663 + ... + 233850.

It is an arithmetic number, because the mean of its divisors is an integer number (1049294379).

Almost surely, 2^23142021222 is an apocalyptic number.

23142021222 is an abundant number, since it is smaller than the sum of its proper divisors (27224108970).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23142021222 is a wasteful number, since it uses less digits than its factorization.

23142021222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325593 (or 325576 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 23142021222 its reverse (22212024132), we get a palindrome (45354045354).

The spelling of 23142021222 in words is "twenty-three billion, one hundred forty-two million, twenty-one thousand, two hundred twenty-two".