82122475 has 24 divisors (see below), whose sum is σ = 105628160. Its totient is φ = 63292320.

The previous prime is 82122463. The next prime is 82122479. The reversal of 82122475 is 57422128.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-82122475 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82122479) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 84442 + ... + 85408.

Almost surely, 2^82122475 is an apocalyptic number.

82122475 is a deficient number, since it is larger than the sum of its proper divisors (23505685).

82122475 is a wasteful number, since it uses less digits than its factorization.

82122475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1099 (or 1094 counting only the distinct ones).

The product of its digits is 8960, while the sum is 31.

The square root of 82122475 is about 9062.1451654672. The cubic root of 82122475 is about 434.6643378776.

The spelling of 82122475 in words is "eighty-two million, one hundred twenty-two thousand, four hundred seventy-five".