82772422 has 8 divisors (see below), whose sum is σ = 131462136. Its totient is φ = 38951712.

The previous prime is 82772413. The next prime is 82772453. The reversal of 82772422 is 22427728.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (34), and also a Moran number because the ratio is a prime number: 2434483 = 82772422 / (8 + 2 + 7 + 7 + 2 + 4 + 2 + 2).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1217208 + ... + 1217275.

It is an arithmetic number, because the mean of its divisors is an integer number (16432767).

Almost surely, 2^82772422 is an apocalyptic number.

82772422 is a deficient number, since it is larger than the sum of its proper divisors (48689714).

82772422 is a wasteful number, since it uses less digits than its factorization.

82772422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2434502.

The product of its digits is 25088, while the sum is 34.

The square root of 82772422 is about 9097.9350404364. The cubic root of 82772422 is about 435.8080229647.

The spelling of 82772422 in words is "eighty-two million, seven hundred seventy-two thousand, four hundred twenty-two".