82248621 has 32 divisors (see below), whose sum is σ = 140851200. Its totient is φ = 41494464.

The previous prime is 82248619. The next prime is 82248623. The reversal of 82248621 is 12684228.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (82248619) and next prime (82248623).

It is not a de Polignac number, because 82248621 - 2¹ = 82248619 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82248623) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 271 + ... + 12828.

It is an arithmetic number, because the mean of its divisors is an integer number (4401600).

Almost surely, 2^82248621 is an apocalyptic number.

It is an amenable number.

82248621 is a deficient number, since it is larger than the sum of its proper divisors (58602579).

82248621 is a wasteful number, since it uses less digits than its factorization.

82248621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13145.

The product of its digits is 12288, while the sum is 33.

The square root of 82248621 is about 9069.1025465588. The cubic root of 82248621 is about 434.8867825317.

The spelling of 82248621 in words is "eighty-two million, two hundred forty-eight thousand, six hundred twenty-one".