22243404234 has 32 divisors (see below), whose sum is σ = 46835081280. Its totient is φ = 7023203712.

The previous prime is 22243404229. The next prime is 22243404251. The reversal of 22243404234 is 43240434222.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1274632 + ... + 1291964.

It is an arithmetic number, because the mean of its divisors is an integer number (1463596290).

Almost surely, 2^22243404234 is an apocalyptic number.

22243404234 is an abundant number, since it is smaller than the sum of its proper divisors (24591677046).

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

22243404234 is a wasteful number, since it uses less digits than its factorization.

22243404234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28614.

The product of its (nonzero) digits is 36864, while the sum is 30.

Adding to 22243404234 its reverse (43240434222), we get a palindrome (65483838456).

The spelling of 22243404234 in words is "twenty-two billion, two hundred forty-three million, four hundred four thousand, two hundred thirty-four".