82224665 has 8 divisors (see below), whose sum is σ = 104473800. Its totient is φ = 61910272.

The previous prime is 82224641. The next prime is 82224671. The reversal of 82224665 is 56642228.

It can be written as a sum of positive squares in 4 ways, for example, as 42823936 + 39400729 = 6544^2 + 6277^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 82224665 - 2⁶ = 82224601 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 483590 + ... + 483759.

It is an arithmetic number, because the mean of its divisors is an integer number (13059225).

Almost surely, 2^82224665 is an apocalyptic number.

82224665 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

82224665 is a deficient number, since it is larger than the sum of its proper divisors (22249135).

82224665 is a wasteful number, since it uses less digits than its factorization.

82224665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 967371.

The product of its digits is 46080, while the sum is 35.

The square root of 82224665 is about 9067.7817022688. The cubic root of 82224665 is about 434.8445562538.

The spelling of 82224665 in words is "eighty-two million, two hundred twenty-four thousand, six hundred sixty-five".