2221133560 has 16 divisors (see below), whose sum is σ = 4997550600. Its totient is φ = 888453408.

The previous prime is 2221133557. The next prime is 2221133581. The reversal of 2221133560 is 653311222.

2221133560 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27764130 + ... + 27764209.

Almost surely, 2^2221133560 is an apocalyptic number.

2221133560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2221133560 is an abundant number, since it is smaller than the sum of its proper divisors (2776417040).

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

2221133560 is a wasteful number, since it uses less digits than its factorization.

2221133560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55528350 (or 55528346 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 2221133560 is about 47128.9036579465. The cubic root of 2221133560 is about 1304.7427471560.

Adding to 2221133560 its reverse (653311222), we get a palindrome (2874444782).

The spelling of 2221133560 in words is "two billion, two hundred twenty-one million, one hundred thirty-three thousand, five hundred sixty".