22433434231 has 4 divisors (see below), whose sum is σ = 24159083032. Its totient is φ = 20707785432.

The previous prime is 22433434193. The next prime is 22433434267. The reversal of 22433434231 is 13243433422.

It is a happy number.

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 22433434231 - 2⁷ = 22433434103 is a prime.

It is a super-2 number, since 2×22433434231² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22433434193 and 22433434202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22433434531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 862824381 + ... + 862824406.

It is an arithmetic number, because the mean of its divisors is an integer number (6039770758).

Almost surely, 2^22433434231 is an apocalyptic number.

22433434231 is a deficient number, since it is larger than the sum of its proper divisors (1725648801).

22433434231 is a wasteful number, since it uses less digits than its factorization.

22433434231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1725648800.

The product of its digits is 41472, while the sum is 31.

Adding to 22433434231 its reverse (13243433422), we get a palindrome (35676867653).

The spelling of 22433434231 in words is "twenty-two billion, four hundred thirty-three million, four hundred thirty-four thousand, two hundred thirty-one".