22231434074 has 32 divisors (see below), whose sum is σ = 34030166016. Its totient is φ = 10890754560.

The previous prime is 22231434073. The next prime is 22231434077. The reversal of 22231434074 is 47043413222.

It is a self number, because there is not a number n which added to its sum of digits gives 22231434074.

It is not an unprimeable number, because it can be changed into a prime (22231434073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18059039 + ... + 18060269.

It is an arithmetic number, because the mean of its divisors is an integer number (1063442688).

Almost surely, 2^22231434074 is an apocalyptic number.

22231434074 is a deficient number, since it is larger than the sum of its proper divisors (11798731942).

22231434074 is a wasteful number, since it uses less digits than its factorization.

22231434074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2190.

The product of its (nonzero) digits is 32256, while the sum is 32.

Adding to 22231434074 its reverse (47043413222), we get a palindrome (69274847296).

The spelling of 22231434074 in words is "twenty-two billion, two hundred thirty-one million, four hundred thirty-four thousand, seventy-four".