2205515243 has 8 divisors (see below), whose sum is σ = 2280370560. Its totient is φ = 2130891840.

The previous prime is 2205515237. The next prime is 2205515261. The reversal of 2205515243 is 3425155022.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2205515243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2205515233) 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, 38528 + ... + 76781.

It is an arithmetic number, because the mean of its divisors is an integer number (285046320).

Almost surely, 2^2205515243 is an apocalyptic number.

2205515243 is a deficient number, since it is larger than the sum of its proper divisors (74855317).

2205515243 is a wasteful number, since it uses less digits than its factorization.

2205515243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115957.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 2205515243 is about 46962.9134850043. The cubic root of 2205515243 is about 1301.6773698932.

The spelling of 2205515243 in words is "two billion, two hundred five million, five hundred fifteen thousand, two hundred forty-three".