22133451660 has 48 divisors (see below), whose sum is σ = 62214850656. Its totient is φ = 5879283712.

The previous prime is 22133451647. The next prime is 22133451677. The reversal of 22133451660 is 6615433122.

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, 702267 + ... + 733106.

It is an arithmetic number, because the mean of its divisors is an integer number (1296142722).

Almost surely, 2^22133451660 is an apocalyptic number.

22133451660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22133451660 is an abundant number, since it is smaller than the sum of its proper divisors (40081398996).

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

22133451660 is a wasteful number, since it uses less digits than its factorization.

22133451660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1435642 (or 1435640 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

Adding to 22133451660 its reverse (6615433122), we get a palindrome (28748884782).

The spelling of 22133451660 in words is "twenty-two billion, one hundred thirty-three million, four hundred fifty-one thousand, six hundred sixty".