2200201221 has 8 divisors (see below), whose sum is σ = 2951599840. Its totient is φ = 1457801712.

The previous prime is 2200201193. The next prime is 2200201249. The reversal of 2200201221 is 1221020022.

It is an interprime number because it is at equal distance from previous prime (2200201193) and next prime (2200201249).

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

It is not a de Polignac number, because 2200201221 - 2¹³ = 2200193029 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2200201197 and 2200201206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2200201021) 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, 2249206 + ... + 2250183.

It is an arithmetic number, because the mean of its divisors is an integer number (368949980).

Almost surely, 2^2200201221 is an apocalyptic number.

It is an amenable number.

2200201221 is a deficient number, since it is larger than the sum of its proper divisors (751398619).

2200201221 is a wasteful number, since it uses less digits than its factorization.

2200201221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4499555.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 2200201221 is about 46906.3025722557. The cubic root of 2200201221 is about 1300.6310981140.

Adding to 2200201221 its reverse (1221020022), we get a palindrome (3421221243).

The spelling of 2200201221 in words is "two billion, two hundred million, two hundred one thousand, two hundred twenty-one".