82228377 has 16 divisors (see below), whose sum is σ = 136691712. Its totient is φ = 42715920.

The previous prime is 82228361. The next prime is 82228417. The reversal of 82228377 is 77382228.

It is not a de Polignac number, because 82228377 - 2⁴ = 82228361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82228327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 177753 + ... + 178214.

It is an arithmetic number, because the mean of its divisors is an integer number (8543232).

Almost surely, 2^82228377 is an apocalyptic number.

It is an amenable number.

82228377 is a deficient number, since it is larger than the sum of its proper divisors (54463335).

82228377 is a wasteful number, since it uses less digits than its factorization.

82228377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355988.

The product of its digits is 75264, while the sum is 39.

The square root of 82228377 is about 9067.9863806691. The cubic root of 82228377 is about 434.8510997838.

The spelling of 82228377 in words is "eighty-two million, two hundred twenty-eight thousand, three hundred seventy-seven".