22943854437 has 16 divisors (see below), whose sum is σ = 35228954112. Its totient is φ = 13010690160.

The previous prime is 22943854429. The next prime is 22943854457. The reversal of 22943854437 is 73445834922.

It is a happy number.

It is not a de Polignac number, because 22943854437 - 2³ = 22943854429 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22943854437.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22943854457) 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, 4167343 + ... + 4172844.

It is an arithmetic number, because the mean of its divisors is an integer number (2201809632).

Almost surely, 2^22943854437 is an apocalyptic number.

It is an amenable number.

22943854437 is a deficient number, since it is larger than the sum of its proper divisors (12285099675).

22943854437 is a wasteful number, since it uses less digits than its factorization.

22943854437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8340328.

The product of its digits is 5806080, while the sum is 51.

The spelling of 22943854437 in words is "twenty-two billion, nine hundred forty-three million, eight hundred fifty-four thousand, four hundred thirty-seven".