2201221402 has 32 divisors (see below), whose sum is σ = 3612096000. Its totient is φ = 1002196800.

The previous prime is 2201221397. The next prime is 2201221403. The reversal of 2201221402 is 2041221022.

2201221402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (2201221403) 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, 169252 + ... + 181792.

It is an arithmetic number, because the mean of its divisors is an integer number (112878000).

Almost surely, 2^2201221402 is an apocalyptic number.

2201221402 is a deficient number, since it is larger than the sum of its proper divisors (1410874598).

2201221402 is a wasteful number, since it uses less digits than its factorization.

2201221402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12742.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 2201221402 is about 46917.1759806577. The cubic root of 2201221402 is about 1300.8320909586.

Adding to 2201221402 its reverse (2041221022), we get a palindrome (4242442424).

The spelling of 2201221402 in words is "two billion, two hundred one million, two hundred twenty-one thousand, four hundred two".