22232730512 has 20 divisors (see below), whose sum is σ = 43782079836. Its totient is φ = 10934129280.

The previous prime is 22232730473. The next prime is 22232730517. The reversal of 22232730512 is 21503723222.

It can be written as a sum of positive squares in 2 ways, for example, as 1432168336 + 20800562176 = 37844^2 + 144224^2 .

It is not an unprimeable number, because it can be changed into a prime (22232730517) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11388743 + ... + 11390694.

Almost surely, 2^22232730512 is an apocalyptic number.

It is an amenable number.

22232730512 is a deficient number, since it is larger than the sum of its proper divisors (21549349324).

22232730512 is a wasteful number, since it uses less digits than its factorization.

22232730512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22779506 (or 22779500 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 29.

The spelling of 22232730512 in words is "twenty-two billion, two hundred thirty-two million, seven hundred thirty thousand, five hundred twelve".