2221299967 has 4 divisors (see below), whose sum is σ = 2222014816. Its totient is φ = 2220585120.

The previous prime is 2221299953. The next prime is 2221299989. The reversal of 2221299967 is 7699921222.

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

It is a cyclic number.

It is not a de Polignac number, because 2221299967 - 2²³ = 2212911359 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 2221299967.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221299667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 352743 + ... + 358984.

It is an arithmetic number, because the mean of its divisors is an integer number (555503704).

Almost surely, 2^2221299967 is an apocalyptic number.

2221299967 is a deficient number, since it is larger than the sum of its proper divisors (714849).

2221299967 is an equidigital number, since it uses as much as digits as its factorization.

2221299967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714848.

The product of its digits is 489888, while the sum is 49.

The square root of 2221299967 is about 47130.6690701501. The cubic root of 2221299967 is about 1304.7753300540.

The spelling of 2221299967 in words is "two billion, two hundred twenty-one million, two hundred ninety-nine thousand, nine hundred sixty-seven".