82909224 has 32 divisors (see below), whose sum is σ = 230304000. Its totient is φ = 27636336.

The previous prime is 82909213. The next prime is 82909237. The reversal of 82909224 is 42290928.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191704 + ... + 192135.

It is an arithmetic number, because the mean of its divisors is an integer number (7197000).

Almost surely, 2^82909224 is an apocalyptic number.

It is an amenable number.

82909224 is an abundant number, since it is smaller than the sum of its proper divisors (147394776).

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

82909224 is a wasteful number, since it uses less digits than its factorization.

82909224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383854 (or 383844 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 82909224 is about 9105.4502359850. The cubic root of 82909224 is about 436.0479845064.

The spelling of 82909224 in words is "eighty-two million, nine hundred nine thousand, two hundred twenty-four".