82407122 has 30 divisors (see below), whose sum is σ = 145313079. Its totient is φ = 35047740.

The previous prime is 82407113. The next prime is 82407139. The reversal of 82407122 is 22170428.

It can be written as a sum of positive squares in only one way, i.e., 41203561 + 41203561 = 6419^2 + 6419^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=6419.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 82407091 and 82407100.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 628997 + ... + 629127.

Almost surely, 2^82407122 is an apocalyptic number.

82407122 is a deficient number, since it is larger than the sum of its proper divisors (62905957).

82407122 is an frugal number, since it uses more digits than its factorization.

82407122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292 (or 140 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 82407122 is about 9077.8368568729. The cubic root of 82407122 is about 435.1659594881.

The spelling of 82407122 in words is "eighty-two million, four hundred seven thousand, one hundred twenty-two".