2201301221 has 16 divisors (see below), whose sum is σ = 2649484800. Its totient is φ = 1786643568.

The previous prime is 2201301217. The next prime is 2201301257. The reversal of 2201301221 is 1221031022.

It is a happy number.

It is not a de Polignac number, because 2201301221 - 2² = 2201301217 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 = 2201301196 and 2201301205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2201301211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 519650 + ... + 523868.

It is an arithmetic number, because the mean of its divisors is an integer number (165592800).

Almost surely, 2^2201301221 is an apocalyptic number.

It is an amenable number.

2201301221 is a deficient number, since it is larger than the sum of its proper divisors (448183579).

2201301221 is a wasteful number, since it uses less digits than its factorization.

2201301221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8168.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 2201301221 is about 46918.0266102486. The cubic root of 2201301221 is about 1300.8478140266.

Adding to 2201301221 its reverse (1221031022), we get a palindrome (3422332243).

The spelling of 2201301221 in words is "two billion, two hundred one million, three hundred one thousand, two hundred twenty-one".