2243805515 has 16 divisors (see below), whose sum is σ = 3105983232. Its totient is φ = 1524227424.

The previous prime is 2243805497. The next prime is 2243805523. The reversal of 2243805515 is 5155083422.

2243805515 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2243805515 - 2⁸ = 2243805259 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 295829 + ... + 303318.

It is an arithmetic number, because the mean of its divisors is an integer number (194123952).

Almost surely, 2^2243805515 is an apocalyptic number.

2243805515 is a deficient number, since it is larger than the sum of its proper divisors (862177717).

2243805515 is a wasteful number, since it uses less digits than its factorization.

2243805515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 599266.

The product of its (nonzero) digits is 48000, while the sum is 35.

The square root of 2243805515 is about 47368.8242940439. The cubic root of 2243805515 is about 1309.1670627207.

Adding to 2243805515 its reverse (5155083422), we get a palindrome (7398888937).

The spelling of 2243805515 in words is "two billion, two hundred forty-three million, eight hundred five thousand, five hundred fifteen".