2215527283 has 4 divisors (see below), whose sum is σ = 2215726528. Its totient is φ = 2215328040.

The previous prime is 2215527269. The next prime is 2215527287. The reversal of 2215527283 is 3827255122.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3827255122 = 2 ⋅1913627561.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2215527283 is a prime.

It is a super-2 number, since 2×2215527283² = 9817122283434724178, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2215527287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81891 + ... + 105532.

It is an arithmetic number, because the mean of its divisors is an integer number (553931632).

Almost surely, 2^2215527283 is an apocalyptic number.

2215527283 is a deficient number, since it is larger than the sum of its proper divisors (199245).

2215527283 is a wasteful number, since it uses less digits than its factorization.

2215527283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199244.

The product of its digits is 67200, while the sum is 37.

The square root of 2215527283 is about 47069.3879607543. The cubic root of 2215527283 is about 1303.6440720888.

The spelling of 2215527283 in words is "two billion, two hundred fifteen million, five hundred twenty-seven thousand, two hundred eighty-three".