22040060664 has 64 divisors (see below), whose sum is σ = 55503504000. Its totient is φ = 7292997504.

The previous prime is 22040060663. The next prime is 22040060701. The reversal of 22040060664 is 46606004022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22040060663) 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, 5374887 + ... + 5378985.

It is an arithmetic number, because the mean of its divisors is an integer number (867242250).

Almost surely, 2^22040060664 is an apocalyptic number.

22040060664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22040060664 is an abundant number, since it is smaller than the sum of its proper divisors (33463443336).

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

22040060664 is a wasteful number, since it uses less digits than its factorization.

22040060664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5692 (or 5688 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 22040060664 its reverse (46606004022), we get a palindrome (68646064686).

The spelling of 22040060664 in words is "twenty-two billion, forty million, sixty thousand, six hundred sixty-four".