82332261 has 16 divisors (see below), whose sum is σ = 133062720. Its totient is φ = 49898160.

The previous prime is 82332253. The next prime is 82332281. The reversal of 82332261 is 16223328.

It is not a de Polignac number, because 82332261 - 2³ = 82332253 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82332251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138310 + ... + 138903.

It is an arithmetic number, because the mean of its divisors is an integer number (8316420).

Almost surely, 2^82332261 is an apocalyptic number.

It is an amenable number.

82332261 is a deficient number, since it is larger than the sum of its proper divisors (50730459).

82332261 is a wasteful number, since it uses less digits than its factorization.

82332261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277233 (or 277227 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 82332261 is about 9073.7126359611. The cubic root of 82332261 is about 435.0341471410.

Adding to 82332261 its reverse (16223328), we get a palindrome (98555589).

The spelling of 82332261 in words is "eighty-two million, three hundred thirty-two thousand, two hundred sixty-one".