2246721121 has 8 divisors (see below), whose sum is σ = 2384141760. Its totient is φ = 2112611952.

The previous prime is 2246721109. The next prime is 2246721131. The reversal of 2246721121 is 1211276422.

2246721121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 2246721121 - 2²⁹ = 1709850209 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2246721121.

It is not an unprimeable number, because it can be changed into a prime (2246721131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 826470 + ... + 829183.

It is an arithmetic number, because the mean of its divisors is an integer number (298017720).

Almost surely, 2^2246721121 is an apocalyptic number.

It is an amenable number.

2246721121 is a deficient number, since it is larger than the sum of its proper divisors (137420639).

2246721121 is a wasteful number, since it uses less digits than its factorization.

2246721121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1655735.

The product of its digits is 2688, while the sum is 28.

The square root of 2246721121 is about 47399.5898821920. The cubic root of 2246721121 is about 1309.7338621797.

Adding to 2246721121 its reverse (1211276422), we get a palindrome (3457997543).

The spelling of 2246721121 in words is "two billion, two hundred forty-six million, seven hundred twenty-one thousand, one hundred twenty-one".