22147546312 has 32 divisors (see below), whose sum is σ = 42126713280. Its totient is φ = 10913869120.

The previous prime is 22147546303. The next prime is 22147546313. The reversal of 22147546312 is 21364574122.

It is not an unprimeable number, because it can be changed into a prime (22147546313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2154978 + ... + 2165230.

It is an arithmetic number, because the mean of its divisors is an integer number (1316459790).

Almost surely, 2^22147546312 is an apocalyptic number.

It is an amenable number.

22147546312 is a deficient number, since it is larger than the sum of its proper divisors (19979166968).

22147546312 is a wasteful number, since it uses less digits than its factorization.

22147546312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14133 (or 14129 counting only the distinct ones).

The product of its digits is 80640, while the sum is 37.

The spelling of 22147546312 in words is "twenty-two billion, one hundred forty-seven million, five hundred forty-six thousand, three hundred twelve".