22223424431 has 4 divisors (see below), whose sum is σ = 23932918632. Its totient is φ = 20513930232.

The previous prime is 22223424407. The next prime is 22223424467. The reversal of 22223424431 is 13442432222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13442432222 = 2 ⋅6721216111.

It is a cyclic number.

It is not a de Polignac number, because 22223424431 - 2¹⁰ = 22223423407 is a prime.

It is a super-2 number, since 2×22223424431² (a number of 21 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 = 22223424394 and 22223424403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22223424031) 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, 854747081 + ... + 854747106.

It is an arithmetic number, because the mean of its divisors is an integer number (5983229658).

Almost surely, 2^22223424431 is an apocalyptic number.

22223424431 is a deficient number, since it is larger than the sum of its proper divisors (1709494201).

22223424431 is a wasteful number, since it uses less digits than its factorization.

22223424431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1709494200.

The product of its digits is 18432, while the sum is 29.

Adding to 22223424431 its reverse (13442432222), we get a palindrome (35665856653).

The spelling of 22223424431 in words is "twenty-two billion, two hundred twenty-three million, four hundred twenty-four thousand, four hundred thirty-one".