22013066512 has 80 divisors (see below), whose sum is σ = 45366193600. Its totient is φ = 10318440960.

The previous prime is 22013066459. The next prime is 22013066513. The reversal of 22013066512 is 21566031022.

It is a super-2 number, since 2×22013066512² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22013066513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12599623 + ... + 12601369.

It is an arithmetic number, because the mean of its divisors is an integer number (567077420).

Almost surely, 2^22013066512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22013066512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22683096800).

22013066512 is an abundant number, since it is smaller than the sum of its proper divisors (23353127088).

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

22013066512 is a wasteful number, since it uses less digits than its factorization.

22013066512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2184 (or 2178 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

Adding to 22013066512 its reverse (21566031022), we get a palindrome (43579097534).

The spelling of 22013066512 in words is "twenty-two billion, thirteen million, sixty-six thousand, five hundred twelve".