2220571667 has 4 divisors (see below), whose sum is σ = 2337443880. Its totient is φ = 2103699456.

The previous prime is 2220571663. The next prime is 2220571679. The reversal of 2220571667 is 7661750222.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2220571667 - 2² = 2220571663 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2220571667.

It is not an unprimeable number, because it can be changed into a prime (2220571663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58436078 + ... + 58436115.

It is an arithmetic number, because the mean of its divisors is an integer number (584360970).

Almost surely, 2^2220571667 is an apocalyptic number.

2220571667 is a deficient number, since it is larger than the sum of its proper divisors (116872213).

2220571667 is a wasteful number, since it uses less digits than its factorization.

2220571667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116872212.

The product of its (nonzero) digits is 70560, while the sum is 38.

The square root of 2220571667 is about 47122.9420452501. The cubic root of 2220571667 is about 1304.6327151046.

The spelling of 2220571667 in words is "two billion, two hundred twenty million, five hundred seventy-one thousand, six hundred sixty-seven".