82322649 has 40 divisors (see below), whose sum is σ = 130680000. Its totient is φ = 51500448.

The previous prime is 82322599. The next prime is 82322651. The reversal of 82322649 is 94622328.

82322649 is a `hidden beast` number, since 8 + 2 + 3 + 2 + 2 + 649 = 666.

It is not a de Polignac number, because 82322649 - 2¹³ = 82314457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82322249) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 229132 + ... + 229490.

It is an arithmetic number, because the mean of its divisors is an integer number (3267000).

Almost surely, 2^82322649 is an apocalyptic number.

It is an amenable number.

82322649 is a deficient number, since it is larger than the sum of its proper divisors (48357351).

82322649 is a wasteful number, since it uses less digits than its factorization.

82322649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539 (or 530 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 82322649 is about 9073.1829585874. The cubic root of 82322649 is about 435.0172169167.

The spelling of 82322649 in words is "eighty-two million, three hundred twenty-two thousand, six hundred forty-nine".