82229490 has 48 divisors (see below), whose sum is σ = 244340928. Its totient is φ = 18795168.

The previous prime is 82229489. The next prime is 82229501. The reversal of 82229490 is 9492228.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 64632 + ... + 65891.

It is an arithmetic number, because the mean of its divisors is an integer number (5090436).

Almost surely, 2^82229490 is an apocalyptic number.

82229490 is an abundant number, since it is smaller than the sum of its proper divisors (162111438).

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

82229490 is a wasteful number, since it uses less digits than its factorization.

82229490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130543 (or 130540 counting only the distinct ones).

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

The square root of 82229490 is about 9068.0477502051. The cubic root of 82229490 is about 434.8530617468.

The spelling of 82229490 in words is "eighty-two million, two hundred twenty-nine thousand, four hundred ninety".