22345404534 has 24 divisors (see below), whose sum is σ = 48763358280. Its totient is φ = 7394881248.

The previous prime is 22345404511. The next prime is 22345404551. The reversal of 22345404534 is 43540454322.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4463007 + ... + 4468010.

It is an arithmetic number, because the mean of its divisors is an integer number (2031806595).

Almost surely, 2^22345404534 is an apocalyptic number.

22345404534 is an abundant number, since it is smaller than the sum of its proper divisors (26417953746).

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

22345404534 is a wasteful number, since it uses less digits than its factorization.

22345404534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8931164 (or 8931161 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 36.

Adding to 22345404534 its reverse (43540454322), we get a palindrome (65885858856).

The spelling of 22345404534 in words is "twenty-two billion, three hundred forty-five million, four hundred four thousand, five hundred thirty-four".