22234320142 has 4 divisors (see below), whose sum is σ = 33351480216. Its totient is φ = 11117160070.

The previous prime is 22234320139. The next prime is 22234320151. The reversal of 22234320142 is 24102343222.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5558580034 + ... + 5558580037.

It is an arithmetic number, because the mean of its divisors is an integer number (8337870054).

Almost surely, 2^22234320142 is an apocalyptic number.

22234320142 is a deficient number, since it is larger than the sum of its proper divisors (11117160074).

22234320142 is a wasteful number, since it uses less digits than its factorization.

22234320142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11117160073.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 22234320142 its reverse (24102343222), we get a palindrome (46336663364).

The spelling of 22234320142 in words is "twenty-two billion, two hundred thirty-four million, three hundred twenty thousand, one hundred forty-two".