2261162215 has 8 divisors (see below), whose sum is σ = 2922117408. Its totient is φ = 1669781280.

The previous prime is 2261162207. The next prime is 2261162261. The reversal of 2261162215 is 5122611622.

2261162215 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2261162215 - 2³ = 2261162207 is a prime.

It is a super-2 number, since 2×2261162215² = 10225709125087412450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent 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, 17393491 + ... + 17393620.

It is an arithmetic number, because the mean of its divisors is an integer number (365264676).

Almost surely, 2^2261162215 is an apocalyptic number.

2261162215 is a deficient number, since it is larger than the sum of its proper divisors (660955193).

2261162215 is a wasteful number, since it uses less digits than its factorization.

2261162215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34787129.

The product of its digits is 2880, while the sum is 28.

The square root of 2261162215 is about 47551.6794130344. The cubic root of 2261162215 is about 1312.5340331614.

Adding to 2261162215 its reverse (5122611622), we get a palindrome (7383773837).

The spelling of 2261162215 in words is "two billion, two hundred sixty-one million, one hundred sixty-two thousand, two hundred fifteen".