2121446622 has 32 divisors (see below), whose sum is σ = 4423163904. Its totient is φ = 677556000.

The previous prime is 2121446597. The next prime is 2121446629. The reversal of 2121446622 is 2266441212.

It is a self number, because there is not a number n which added to its sum of digits gives 2121446622.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121446629) 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, 37678 + ... + 75249.

It is an arithmetic number, because the mean of its divisors is an integer number (138223872).

Almost surely, 2^2121446622 is an apocalyptic number.

2121446622 is an abundant number, since it is smaller than the sum of its proper divisors (2301717282).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2121446622 is a wasteful number, since it uses less digits than its factorization.

2121446622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113064.

The product of its digits is 9216, while the sum is 30.

The square root of 2121446622 is about 46059.1643649774. The cubic root of 2121446622 is about 1284.9237888255.

Adding to 2121446622 its reverse (2266441212), we get a palindrome (4387887834).

The spelling of 2121446622 in words is "two billion, one hundred twenty-one million, four hundred forty-six thousand, six hundred twenty-two".