2101222244 has 12 divisors (see below), whose sum is σ = 4011424368. Its totient is φ = 955101000.

The previous prime is 2101222199. The next prime is 2101222261. The reversal of 2101222244 is 4422221012.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23877482 + ... + 23877569.

It is an arithmetic number, because the mean of its divisors is an integer number (334285364).

Almost surely, 2^2101222244 is an apocalyptic number.

It is an amenable number.

2101222244 is a deficient number, since it is larger than the sum of its proper divisors (1910202124).

2101222244 is a wasteful number, since it uses less digits than its factorization.

2101222244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47755066 (or 47755064 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 2101222244 is about 45839.0907850494. The cubic root of 2101222244 is about 1280.8275581055.

Adding to 2101222244 its reverse (4422221012), we get a palindrome (6523443256).

The spelling of 2101222244 in words is "two billion, one hundred one million, two hundred twenty-two thousand, two hundred forty-four".