215277482 has 12 divisors (see below), whose sum is σ = 375637410. Its totient is φ = 92261736.

The previous prime is 215277481. The next prime is 215277487. The reversal of 215277482 is 284772512.

It can be written as a sum of positive squares in only one way, i.e., 214651801 + 625681 = 14651^2 + 791^2 .

It is not an unprimeable number, because it can be changed into a prime (215277481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1098257 + ... + 1098452.

Almost surely, 2^215277482 is an apocalyptic number.

215277482 is a deficient number, since it is larger than the sum of its proper divisors (160359928).

215277482 is a wasteful number, since it uses less digits than its factorization.

215277482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2196725 (or 2196718 counting only the distinct ones).

The product of its digits is 62720, while the sum is 38.

The square root of 215277482 is about 14672.3373052830. The cubic root of 215277482 is about 599.3302545317.

The spelling of 215277482 in words is "two hundred fifteen million, two hundred seventy-seven thousand, four hundred eighty-two".