82225469 has 8 divisors (see below), whose sum is σ = 85359960. Its totient is φ = 79110976.

The previous prime is 82225463. The next prime is 82225477. The reversal of 82225469 is 96452228.

It can be written as a sum of positive squares in 4 ways, for example, as 40170244 + 42055225 = 6338^2 + 6485^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82225469 is a prime.

It is a super-2 number, since 2×82225469² = 13522055504539922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82225463) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3659 + ... + 13335.

It is an arithmetic number, because the mean of its divisors is an integer number (10669995).

Almost surely, 2^82225469 is an apocalyptic number.

It is an amenable number.

82225469 is a deficient number, since it is larger than the sum of its proper divisors (3134491).

82225469 is a wasteful number, since it uses less digits than its factorization.

82225469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9999.

The product of its digits is 69120, while the sum is 38.

The square root of 82225469 is about 9067.8260349435. The cubic root of 82225469 is about 434.8459735652.

The spelling of 82225469 in words is "eighty-two million, two hundred twenty-five thousand, four hundred sixty-nine".