2296218221 has 4 divisors (see below), whose sum is σ = 2504965344. Its totient is φ = 2087471100.

The previous prime is 2296218217. The next prime is 2296218233. The reversal of 2296218221 is 1228126922.

It is a happy number.

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 2296218221 - 2² = 2296218217 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 (2296218251) 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, 104373545 + ... + 104373566.

It is an arithmetic number, because the mean of its divisors is an integer number (626241336).

Almost surely, 2^2296218221 is an apocalyptic number.

It is an amenable number.

2296218221 is a deficient number, since it is larger than the sum of its proper divisors (208747123).

2296218221 is a wasteful number, since it uses less digits than its factorization.

2296218221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208747122.

The product of its digits is 13824, while the sum is 35.

The square root of 2296218221 is about 47918.8712408796. The cubic root of 2296218221 is about 1319.2822507883.

The spelling of 2296218221 in words is "two billion, two hundred ninety-six million, two hundred eighteen thousand, two hundred twenty-one".