22143023034 has 64 divisors (see below), whose sum is σ = 49662996480. Its totient is φ = 6522707520.

The previous prime is 22143023033. The next prime is 22143023047. The reversal of 22143023034 is 43032034122.

It is a junction number, because it is equal to n+sod(n) for n = 22143022995 and 22143023013.

It is not an unprimeable number, because it can be changed into a prime (22143023033) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3178447 + ... + 3185405.

It is an arithmetic number, because the mean of its divisors is an integer number (775984320).

Almost surely, 2^22143023034 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22143023034, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24831498240).

22143023034 is an abundant number, since it is smaller than the sum of its proper divisors (27519973446).

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

22143023034 is a wasteful number, since it uses less digits than its factorization.

22143023034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8315.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 22143023034 its reverse (43032034122), we get a palindrome (65175057156).

The spelling of 22143023034 in words is "twenty-two billion, one hundred forty-three million, twenty-three thousand, thirty-four".