2221880017 has 8 divisors (see below), whose sum is σ = 2649695616. Its totient is φ = 1821665472.

The previous prime is 2221880009. The next prime is 2221880027. The reversal of 2221880017 is 7100881222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2221880017 - 2³ = 2221880009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2221880027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6900088 + ... + 6900409.

It is an arithmetic number, because the mean of its divisors is an integer number (331211952).

Almost surely, 2^2221880017 is an apocalyptic number.

It is an amenable number.

2221880017 is a deficient number, since it is larger than the sum of its proper divisors (427815599).

2221880017 is a wasteful number, since it uses less digits than its factorization.

2221880017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13800527.

The product of its (nonzero) digits is 3584, while the sum is 31.

The square root of 2221880017 is about 47136.8223048606. The cubic root of 2221880017 is about 1304.8888925434. Note that the first 4 decimals are identical.

The spelling of 2221880017 in words is "two billion, two hundred twenty-one million, eight hundred eighty thousand, seventeen".