22224420431 has 8 divisors (see below), whose sum is σ = 22424438400. Its totient is φ = 22024461312.

The previous prime is 22224420419. The next prime is 22224420437. The reversal of 22224420431 is 13402442222.

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 22224420431 - 2¹⁴ = 22224404047 is a prime.

It is a super-2 number, since 2×22224420431² (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 22224420431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22224420437) 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, 1165631 + ... + 1184543.

It is an arithmetic number, because the mean of its divisors is an integer number (2803054800).

Almost surely, 2^22224420431 is an apocalyptic number.

22224420431 is a deficient number, since it is larger than the sum of its proper divisors (200017969).

22224420431 is a wasteful number, since it uses less digits than its factorization.

22224420431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29425.

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 22224420431 its reverse (13402442222), we get a palindrome (35626862653).

The spelling of 22224420431 in words is "twenty-two billion, two hundred twenty-four million, four hundred twenty thousand, four hundred thirty-one".