82226825 has 24 divisors (see below), whose sum is σ = 104859360. Its totient is φ = 63939200.

The previous prime is 82226821. The next prime is 82226831. The reversal of 82226825 is 52862228.

It is not a de Polignac number, because 82226825 - 2² = 82226821 is a prime.

It is a super-2 number, since 2×82226825² = 13522501499161250, which contains 22 as substring.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (82226821) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 157565 + ... + 158085.

It is an arithmetic number, because the mean of its divisors is an integer number (4369140).

Almost surely, 2^82226825 is an apocalyptic number.

It is an amenable number.

82226825 is a deficient number, since it is larger than the sum of its proper divisors (22632535).

82226825 is a wasteful number, since it uses less digits than its factorization.

82226825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 697 (or 692 counting only the distinct ones).

The product of its digits is 30720, while the sum is 35.

The square root of 82226825 is about 9067.9008044861. The cubic root of 82226825 is about 434.8483639353.

The spelling of 82226825 in words is "eighty-two million, two hundred twenty-six thousand, eight hundred twenty-five".