82225776 has 40 divisors (see below), whose sum is σ = 214986240. Its totient is φ = 27077056.

The previous prime is 82225771. The next prime is 82225789. The reversal of 82225776 is 67752228.

It is a super-2 number, since 2×82225776² = 13522156477604352, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82225771) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 6336 + ... + 14303.

It is an arithmetic number, because the mean of its divisors is an integer number (5374656).

Almost surely, 2^82225776 is an apocalyptic number.

It is an amenable number.

82225776 is an abundant number, since it is smaller than the sum of its proper divisors (132760464).

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

82225776 is a wasteful number, since it uses less digits than its factorization.

82225776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20733 (or 20727 counting only the distinct ones).

The product of its digits is 94080, while the sum is 39.

The square root of 82225776 is about 9067.8429629102. The cubic root of 82225776 is about 434.8465147501.

The spelling of 82225776 in words is "eighty-two million, two hundred twenty-five thousand, seven hundred seventy-six".