22303443142 has 16 divisors (see below), whose sum is σ = 34087198464. Its totient is φ = 10942533000.

The previous prime is 22303443119. The next prime is 22303443143. The reversal of 22303443142 is 24134430322.

It is a self number, because there is not a number n which added to its sum of digits gives 22303443142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22303443143) 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, 342234 + ... + 402157.

It is an arithmetic number, because the mean of its divisors is an integer number (2130449904).

Almost surely, 2^22303443142 is an apocalyptic number.

22303443142 is a deficient number, since it is larger than the sum of its proper divisors (11783755322).

22303443142 is a wasteful number, since it uses less digits than its factorization.

22303443142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744675.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 22303443142 its reverse (24134430322), we get a palindrome (46437873464).

The spelling of 22303443142 in words is "twenty-two billion, three hundred three million, four hundred forty-three thousand, one hundred forty-two".