215733342 has 16 divisors (see below), whose sum is σ = 470691072. Its totient is φ = 65373720.

The previous prime is 215733317. The next prime is 215733379. The reversal of 215733342 is 243337512.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1634278 + ... + 1634409.

It is an arithmetic number, because the mean of its divisors is an integer number (29418192).

Almost surely, 2^215733342 is an apocalyptic number.

215733342 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

215733342 is an abundant number, since it is smaller than the sum of its proper divisors (254957730).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

215733342 is a wasteful number, since it uses less digits than its factorization.

215733342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3268703.

The product of its digits is 15120, while the sum is 30.

The square root of 215733342 is about 14687.8637657081. The cubic root of 215733342 is about 599.7529927708.

The spelling of 215733342 in words is "two hundred fifteen million, seven hundred thirty-three thousand, three hundred forty-two".