22135045660 has 48 divisors (see below), whose sum is σ = 57210584256. Its totient is φ = 7005376512.

The previous prime is 22135045643. The next prime is 22135045703. The reversal of 22135045660 is 6654053122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6079237 + ... + 6082876.

It is an arithmetic number, because the mean of its divisors is an integer number (1191887172).

Almost surely, 2^22135045660 is an apocalyptic number.

22135045660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22135045660 is an abundant number, since it is smaller than the sum of its proper divisors (35075538596).

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

22135045660 is a wasteful number, since it uses less digits than its factorization.

22135045660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12162142 (or 12162140 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 34.

Adding to 22135045660 its reverse (6654053122), we get a palindrome (28789098782).

The spelling of 22135045660 in words is "twenty-two billion, one hundred thirty-five million, forty-five thousand, six hundred sixty".