22143210042 has 16 divisors (see below), whose sum is σ = 44847008640. Its totient is φ = 7287638592.

The previous prime is 22143210041. The next prime is 22143210077. The reversal of 22143210042 is 24001234122.

It is not an unprimeable number, because it can be changed into a prime (22143210041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23357343 + ... + 23358290.

It is an arithmetic number, because the mean of its divisors is an integer number (2802938040).

Almost surely, 2^22143210042 is an apocalyptic number.

22143210042 is an abundant number, since it is smaller than the sum of its proper divisors (22703798598).

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

22143210042 is a wasteful number, since it uses less digits than its factorization.

22143210042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46715717.

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

Adding to 22143210042 its reverse (24001234122), we get a palindrome (46144444164).

The spelling of 22143210042 in words is "twenty-two billion, one hundred forty-three million, two hundred ten thousand, forty-two".