7215882 has 16 divisors (see below), whose sum is σ = 15059520. Its totient is φ = 2300672.

The previous prime is 7215869. The next prime is 7215893. The reversal of 7215882 is 2885127.

It is an Ulam number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26007 + ... + 26282.

It is an arithmetic number, because the mean of its divisors is an integer number (941220).

Almost surely, 2^7215882 is an apocalyptic number.

7215882 is an abundant number, since it is smaller than the sum of its proper divisors (7843638).

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

7215882 is a wasteful number, since it uses less digits than its factorization.

7215882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52317.

The product of its digits is 8960, while the sum is 33.

The square root of 7215882 is about 2686.2393787598. The cubic root of 7215882 is about 193.2397532315.

The spelling of 7215882 in words is "seven million, two hundred fifteen thousand, eight hundred eighty-two".