22506316434 has 48 divisors (see below), whose sum is σ = 56136757248. Its totient is φ = 6383434176.

The previous prime is 22506316429. The next prime is 22506316453. The reversal of 22506316434 is 43461360522.

22506316434 is a `hidden beast` number, since 2 + 2 + 5 + 0 + 6 + 3 + 1 + 643 + 4 = 666.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 634642 + ... + 669165.

It is an arithmetic number, because the mean of its divisors is an integer number (1169515776).

Almost surely, 2^22506316434 is an apocalyptic number.

22506316434 is an abundant number, since it is smaller than the sum of its proper divisors (33630440814).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22506316434 is a wasteful number, since it uses less digits than its factorization.

22506316434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1303959 (or 1303956 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

Adding to 22506316434 its reverse (43461360522), we get a palindrome (65967676956).

The spelling of 22506316434 in words is "twenty-two billion, five hundred six million, three hundred sixteen thousand, four hundred thirty-four".