22943854438 has 16 divisors (see below), whose sum is σ = 35356055760. Its totient is φ = 11158680096.

The previous prime is 22943854429. The next prime is 22943854457. The reversal of 22943854438 is 83445834922.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 227028 + ... + 312136.

It is an arithmetic number, because the mean of its divisors is an integer number (2209753485).

Almost surely, 2^22943854438 is an apocalyptic number.

22943854438 is a deficient number, since it is larger than the sum of its proper divisors (12412201322).

22943854438 is a wasteful number, since it uses less digits than its factorization.

22943854438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88791.

The product of its digits is 6635520, while the sum is 52.

The spelling of 22943854438 in words is "twenty-two billion, nine hundred forty-three million, eight hundred fifty-four thousand, four hundred thirty-eight".