22077110660 has 144 divisors (see below), whose sum is σ = 52753752576. Its totient is φ = 7760068800.

The previous prime is 22077110651. The next prime is 22077110669. The reversal of 22077110660 is 6601177022.

It is an interprime number because it is at equal distance from previous prime (22077110651) and next prime (22077110669).

It is not an unprimeable number, because it can be changed into a prime (22077110669) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 25581389 + ... + 25582251.

It is an arithmetic number, because the mean of its divisors is an integer number (366345504).

Almost surely, 2^22077110660 is an apocalyptic number.

22077110660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22077110660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26376876288).

22077110660 is an abundant number, since it is smaller than the sum of its proper divisors (30676641916).

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

22077110660 is a wasteful number, since it uses less digits than its factorization.

22077110660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 967 (or 912 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 32.

Adding to 22077110660 its reverse (6601177022), we get a palindrome (28678287682).

The spelling of 22077110660 in words is "twenty-two billion, seventy-seven million, one hundred ten thousand, six hundred sixty".