22434431234 has 4 divisors (see below), whose sum is σ = 33651646854. Its totient is φ = 11217215616.

The previous prime is 22434431231. The next prime is 22434431249. The reversal of 22434431234 is 43213443422.

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

It can be written as a sum of positive squares in only one way, i.e., 15791692225 + 6642739009 = 125665^2 + 81503^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22434431234.

It is not an unprimeable number, because it can be changed into a prime (22434431231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5608607807 + ... + 5608607810.

Almost surely, 2^22434431234 is an apocalyptic number.

22434431234 is a deficient number, since it is larger than the sum of its proper divisors (11217215620).

22434431234 is a wasteful number, since it uses less digits than its factorization.

22434431234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11217215619.

The product of its digits is 55296, while the sum is 32.

Adding to 22434431234 its reverse (43213443422), we get a palindrome (65647874656).

The spelling of 22434431234 in words is "twenty-two billion, four hundred thirty-four million, four hundred thirty-one thousand, two hundred thirty-four".