22234142431 has 4 divisors (see below), whose sum is σ = 22951372864. Its totient is φ = 21516912000.

The previous prime is 22234142429. The next prime is 22234142449. The reversal of 22234142431 is 13424143222.

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 22234142431 - 2¹ = 22234142429 is a prime.

It is a super-2 number, since 2×22234142431² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22234142431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22234142471) 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, 358615170 + ... + 358615231.

It is an arithmetic number, because the mean of its divisors is an integer number (5737843216).

Almost surely, 2^22234142431 is an apocalyptic number.

22234142431 is a deficient number, since it is larger than the sum of its proper divisors (717230433).

22234142431 is an equidigital number, since it uses as much as digits as its factorization.

22234142431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717230432.

The product of its digits is 9216, while the sum is 28.

Adding to 22234142431 its reverse (13424143222), we get a palindrome (35658285653).

The spelling of 22234142431 in words is "twenty-two billion, two hundred thirty-four million, one hundred forty-two thousand, four hundred thirty-one".