2221402133 has 4 divisors (see below), whose sum is σ = 2242969248. Its totient is φ = 2199835020.

The previous prime is 2221402093. The next prime is 2221402151. The reversal of 2221402133 is 3312041222.

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 a cyclic number.

It is not a de Polignac number, because 2221402133 - 2⁸ = 2221401877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221402163) 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, 10783403 + ... + 10783608.

It is an arithmetic number, because the mean of its divisors is an integer number (560742312).

Almost surely, 2^2221402133 is an apocalyptic number.

It is an amenable number.

2221402133 is a deficient number, since it is larger than the sum of its proper divisors (21567115).

2221402133 is a wasteful number, since it uses less digits than its factorization.

2221402133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21567114.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2221402133 is about 47131.7529166909. The cubic root of 2221402133 is about 1304.7953336007.

Adding to 2221402133 its reverse (3312041222), we get a palindrome (5533443355).

The spelling of 2221402133 in words is "two billion, two hundred twenty-one million, four hundred two thousand, one hundred thirty-three".