2221124315 has 4 divisors (see below), whose sum is σ = 2665349184. Its totient is φ = 1776899448.

The previous prime is 2221124309. The next prime is 2221124407. The reversal of 2221124315 is 5134211222.

2221124315 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2221124315 - 2¹⁰ = 2221123291 is a prime.

It is a Duffinian number.

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, 222112427 + ... + 222112436.

It is an arithmetic number, because the mean of its divisors is an integer number (666337296).

Almost surely, 2^2221124315 is an apocalyptic number.

2221124315 is a deficient number, since it is larger than the sum of its proper divisors (444224869).

2221124315 is an equidigital number, since it uses as much as digits as its factorization.

2221124315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444224868.

The product of its digits is 960, while the sum is 23.

The square root of 2221124315 is about 47128.8055757835. The cubic root of 2221124315 is about 1304.7409369147.

Adding to 2221124315 its reverse (5134211222), we get a palindrome (7355335537).

The spelling of 2221124315 in words is "two billion, two hundred twenty-one million, one hundred twenty-four thousand, three hundred fifteen".