82213548 has 12 divisors (see below), whose sum is σ = 191831640. Its totient is φ = 27404512.

The previous prime is 82213517. The next prime is 82213559. The reversal of 82213548 is 84531228.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3425553 + ... + 3425576.

It is an arithmetic number, because the mean of its divisors is an integer number (15985970).

Almost surely, 2^82213548 is an apocalyptic number.

It is an amenable number.

82213548 is an abundant number, since it is smaller than the sum of its proper divisors (109618092).

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

82213548 is a wasteful number, since it uses less digits than its factorization.

82213548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6851136 (or 6851134 counting only the distinct ones).

The product of its digits is 15360, while the sum is 33.

The square root of 82213548 is about 9067.1686870820. The cubic root of 82213548 is about 434.8249579787.

The spelling of 82213548 in words is "eighty-two million, two hundred thirteen thousand, five hundred forty-eight".