2215252045 has 4 divisors (see below), whose sum is σ = 2658302460. Its totient is φ = 1772201632.

The previous prime is 2215252037. The next prime is 2215252057. The reversal of 2215252045 is 5402525122.

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

It can be written as a sum of positive squares in 2 ways, for example, as 730999369 + 1484252676 = 27037^2 + 38526^2 .

It is a cyclic number.

It is not a de Polignac number, because 2215252045 - 2³ = 2215252037 is a prime.

It is a congruent 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, 221525200 + ... + 221525209.

It is an arithmetic number, because the mean of its divisors is an integer number (664575615).

Almost surely, 2^2215252045 is an apocalyptic number.

It is an amenable number.

2215252045 is a deficient number, since it is larger than the sum of its proper divisors (443050415).

2215252045 is an equidigital number, since it uses as much as digits as its factorization.

2215252045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443050414.

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

The square root of 2215252045 is about 47066.4641225576. The cubic root of 2215252045 is about 1303.5900853547.

Adding to 2215252045 its reverse (5402525122), we get a palindrome (7617777167).

The spelling of 2215252045 in words is "two billion, two hundred fifteen million, two hundred fifty-two thousand, forty-five".