2222305145 has 8 divisors (see below), whose sum is σ = 2728784256. Its totient is φ = 1736498736.

The previous prime is 2222305139. The next prime is 2222305157. The reversal of 2222305145 is 5415032222.

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 2222305145 - 2¹⁸ = 2222043001 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5167937 + ... + 5168366.

It is an arithmetic number, because the mean of its divisors is an integer number (341098032).

Almost surely, 2^2222305145 is an apocalyptic number.

It is an amenable number.

2222305145 is a deficient number, since it is larger than the sum of its proper divisors (506479111).

2222305145 is a wasteful number, since it uses less digits than its factorization.

2222305145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10336351.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 2222305145 is about 47141.3315997756. The cubic root of 2222305145 is about 1304.9721117727.

Adding to 2222305145 its reverse (5415032222), we get a palindrome (7637337367).

The spelling of 2222305145 in words is "two billion, two hundred twenty-two million, three hundred five thousand, one hundred forty-five".