82645224 has 32 divisors (see below), whose sum is σ = 206997120. Its totient is φ = 27497216.

The previous prime is 82645201. The next prime is 82645229. The reversal of 82645224 is 42254628.

It is not an unprimeable number, because it can be changed into a prime (82645229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11329 + ... + 17135.

It is an arithmetic number, because the mean of its divisors is an integer number (6468660).

Almost surely, 2^82645224 is an apocalyptic number.

It is an amenable number.

82645224 is an abundant number, since it is smaller than the sum of its proper divisors (124351896).

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

82645224 is a wasteful number, since it uses less digits than its factorization.

82645224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6409 (or 6405 counting only the distinct ones).

The product of its digits is 30720, while the sum is 33.

The square root of 82645224 is about 9090.9418653955. The cubic root of 82645224 is about 435.5846702775.

The spelling of 82645224 in words is "eighty-two million, six hundred forty-five thousand, two hundred twenty-four".