2045222515 has 24 divisors (see below), whose sum is σ = 2873202192. Its totient is φ = 1393479360.

The previous prime is 2045222497. The next prime is 2045222527. The reversal of 2045222515 is 5152225402.

It is not a de Polignac number, because 2045222515 - 2⁵ = 2045222483 is a prime.

It is a zygodrome in base 2.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11880 + ... + 65050.

It is an arithmetic number, because the mean of its divisors is an integer number (119716758).

Almost surely, 2^2045222515 is an apocalyptic number.

2045222515 is a deficient number, since it is larger than the sum of its proper divisors (827979677).

2045222515 is a wasteful number, since it uses less digits than its factorization.

2045222515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53347 (or 53340 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 2045222515 is about 45224.1364207212. The cubic root of 2045222515 is about 1269.3464955773.

Adding to 2045222515 its reverse (5152225402), we get a palindrome (7197447917).

The spelling of 2045222515 in words is "two billion, forty-five million, two hundred twenty-two thousand, five hundred fifteen".