22434404131 has 4 divisors (see below), whose sum is σ = 22436108392. Its totient is φ = 22432699872.

The previous prime is 22434404087. The next prime is 22434404141. The reversal of 22434404131 is 13140443422.

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

It is a cyclic number.

It is not a de Polignac number, because 22434404131 - 2³³ = 13844469539 is a prime.

It is a super-2 number, since 2×22434404131² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22434404131.

It is not an unprimeable number, because it can be changed into a prime (22434404141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 832230 + ... + 858763.

It is an arithmetic number, because the mean of its divisors is an integer number (5609027098).

Almost surely, 2^22434404131 is an apocalyptic number.

22434404131 is a deficient number, since it is larger than the sum of its proper divisors (1704261).

22434404131 is a wasteful number, since it uses less digits than its factorization.

22434404131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1704260.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 22434404131 its reverse (13140443422), we get a palindrome (35574847553).

The spelling of 22434404131 in words is "twenty-two billion, four hundred thirty-four million, four hundred four thousand, one hundred thirty-one".