2221049633 has 4 divisors (see below), whose sum is σ = 2422963248. Its totient is φ = 2019136020.

The previous prime is 2221049629. The next prime is 2221049647. The reversal of 2221049633 is 3369401222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2221049633 - 2² = 2221049629 is a prime.

It is a super-2 number, since 2×2221049633² = 9866122944498869378, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2221049633.

It is not an unprimeable number, because it can be changed into a prime (2221049693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100956791 + ... + 100956812.

It is an arithmetic number, because the mean of its divisors is an integer number (605740812).

Almost surely, 2^2221049633 is an apocalyptic number.

It is an amenable number.

2221049633 is a deficient number, since it is larger than the sum of its proper divisors (201913615).

2221049633 is a wasteful number, since it uses less digits than its factorization.

2221049633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201913614.

The product of its (nonzero) digits is 15552, while the sum is 32.

The square root of 2221049633 is about 47128.0132511440. The cubic root of 2221049633 is about 1304.7263134266.

The spelling of 2221049633 in words is "two billion, two hundred twenty-one million, forty-nine thousand, six hundred thirty-three".