22205340512 has 48 divisors (see below), whose sum is σ = 44328604320. Its totient is φ = 10947965952.

The previous prime is 22205340499. The next prime is 22205340523. The reversal of 22205340512 is 21504350222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1051853 + ... + 1072755.

It is an arithmetic number, because the mean of its divisors is an integer number (923512590).

Almost surely, 2^22205340512 is an apocalyptic number.

It is an amenable number.

22205340512 is a deficient number, since it is larger than the sum of its proper divisors (22123263808).

22205340512 is a wasteful number, since it uses less digits than its factorization.

22205340512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21375 (or 21367 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

Adding to 22205340512 its reverse (21504350222), we get a palindrome (43709690734).

The spelling of 22205340512 in words is "twenty-two billion, two hundred five million, three hundred forty thousand, five hundred twelve".