2221601210 has 8 divisors (see below), whose sum is σ = 3998882196. Its totient is φ = 888640480.

The previous prime is 2221601203. The next prime is 2221601219. The reversal of 2221601210 is 121061222.

2221601210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2207214361 + 14386849 = 46981^2 + 3793^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2221601219) 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, 111080051 + ... + 111080070.

Almost surely, 2^2221601210 is an apocalyptic number.

2221601210 is a deficient number, since it is larger than the sum of its proper divisors (1777280986).

2221601210 is a wasteful number, since it uses less digits than its factorization.

2221601210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222160128.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 2221601210 is about 47133.8647895544. The cubic root of 2221601210 is about 1304.8343100317.

Adding to 2221601210 its reverse (121061222), we get a palindrome (2342662432).

The spelling of 2221601210 in words is "two billion, two hundred twenty-one million, six hundred one thousand, two hundred ten".