2221566607 has 8 divisors (see below), whose sum is σ = 2408515200. Its totient is φ = 2036912160.

The previous prime is 2221566601. The next prime is 2221566667. The reversal of 2221566607 is 7066651222.

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 2221566607 - 2²³ = 2213177999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221566601) 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, 571519 + ... + 575392.

It is an arithmetic number, because the mean of its divisors is an integer number (301064400).

Almost surely, 2^2221566607 is an apocalyptic number.

2221566607 is a deficient number, since it is larger than the sum of its proper divisors (186948593).

2221566607 is a wasteful number, since it uses less digits than its factorization.

2221566607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1147073.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 2221566607 is about 47133.4977165922. The cubic root of 2221566607 is about 1304.8275354261.

The spelling of 2221566607 in words is "two billion, two hundred twenty-one million, five hundred sixty-six thousand, six hundred seven".