22243452431 has 8 divisors (see below), whose sum is σ = 22735537920. Its totient is φ = 21756630168.

The previous prime is 22243452419. The next prime is 22243452461. The reversal of 22243452431 is 13425434222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22243452431 - 2³⁴ = 5063583247 is a prime.

It is a super-2 number, since 2×22243452431² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22243452461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1307261 + ... + 1324166.

It is an arithmetic number, because the mean of its divisors is an integer number (2841942240).

Almost surely, 2^22243452431 is an apocalyptic number.

22243452431 is a deficient number, since it is larger than the sum of its proper divisors (492085489).

22243452431 is a wasteful number, since it uses less digits than its factorization.

22243452431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2631613.

The product of its digits is 46080, while the sum is 32.

Adding to 22243452431 its reverse (13425434222), we get a palindrome (35668886653).

The spelling of 22243452431 in words is "twenty-two billion, two hundred forty-three million, four hundred fifty-two thousand, four hundred thirty-one".