2213040221 has 8 divisors (see below), whose sum is σ = 2530142784. Its totient is φ = 1896176160.

The previous prime is 2213040211. The next prime is 2213040223. The reversal of 2213040221 is 1220403122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2213040221 - 2⁶ = 2213040157 is a prime.

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 2213040221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2213040223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39275 + ... + 77256.

It is an arithmetic number, because the mean of its divisors is an integer number (316267848).

Almost surely, 2^2213040221 is an apocalyptic number.

It is an amenable number.

2213040221 is a deficient number, since it is larger than the sum of its proper divisors (317102563).

2213040221 is a wasteful number, since it uses less digits than its factorization.

2213040221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119251.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2213040221 is about 47042.9614395182. The cubic root of 2213040221 is about 1303.1560832746.

Adding to 2213040221 its reverse (1220403122), we get a palindrome (3433443343).

The spelling of 2213040221 in words is "two billion, two hundred thirteen million, forty thousand, two hundred twenty-one".