22233342431 has 4 divisors (see below), whose sum is σ = 22652839512. Its totient is φ = 21813845352.

The previous prime is 22233342419. The next prime is 22233342437. The reversal of 22233342431 is 13424333222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13424333222 = 2 ⋅6712166611.

It is a cyclic number.

It is not a de Polignac number, because 22233342431 - 2¹⁴ = 22233326047 is a prime.

It is a super-2 number, since 2×22233342431² (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 = 22233342394 and 22233342403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22233342437) 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, 209748461 + ... + 209748566.

It is an arithmetic number, because the mean of its divisors is an integer number (5663209878).

Almost surely, 2^22233342431 is an apocalyptic number.

22233342431 is a deficient number, since it is larger than the sum of its proper divisors (419497081).

22233342431 is an equidigital number, since it uses as much as digits as its factorization.

22233342431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419497080.

The product of its digits is 20736, while the sum is 29.

Adding to 22233342431 its reverse (13424333222), we get a palindrome (35657675653).

The spelling of 22233342431 in words is "twenty-two billion, two hundred thirty-three million, three hundred forty-two thousand, four hundred thirty-one".