2221706800 has 60 divisors (see below), whose sum is σ = 5461824280. Its totient is φ = 868008960.

The previous prime is 2221706771. The next prime is 2221706813. The reversal of 2221706800 is 86071222.

It is a super-2 number, since 2×2221706800² = 9871962210332480000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47385 + ... + 81784.

Almost surely, 2^2221706800 is an apocalyptic number.

2221706800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2221706800 is an abundant number, since it is smaller than the sum of its proper divisors (3240117480).

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

2221706800 is a wasteful number, since it uses less digits than its factorization.

2221706800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129230 (or 129219 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 2221706800 is about 47134.9848838419. The cubic root of 2221706800 is about 1304.8549820995.

The spelling of 2221706800 in words is "two billion, two hundred twenty-one million, seven hundred six thousand, eight hundred".