22430323431 has 6 divisors (see below), whose sum is σ = 32399356080. Its totient is φ = 14953548948.

The previous prime is 22430323429. The next prime is 22430323439. The reversal of 22430323431 is 13432303422.

22430323431 is a `hidden beast` number, since 224 + 3 + 0 + 3 + 2 + 3 + 431 = 666.

It is not a de Polignac number, because 22430323431 - 2¹ = 22430323429 is a prime.

It is a super-2 number, since 2×22430323431² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22430323395 and 22430323404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22430323439) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1246129071 + ... + 1246129088.

It is an arithmetic number, because the mean of its divisors is an integer number (5399892680).

Almost surely, 2^22430323431 is an apocalyptic number.

22430323431 is a deficient number, since it is larger than the sum of its proper divisors (9969032649).

22430323431 is a wasteful number, since it uses less digits than its factorization.

22430323431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2492258165 (or 2492258162 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 22430323431 its reverse (13432303422), we get a palindrome (35862626853).

The spelling of 22430323431 in words is "twenty-two billion, four hundred thirty million, three hundred twenty-three thousand, four hundred thirty-one".