82226252 has 18 divisors (see below), whose sum is σ = 149035068. Its totient is φ = 39693808.

The previous prime is 82226237. The next prime is 82226269. The reversal of 82226252 is 25262228.

It is a super-2 number, since 2×82226252² = 13522313035935008, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

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 5 ways as a sum of consecutive naturals, for example, 8858 + ... + 15585.

It is an arithmetic number, because the mean of its divisors is an integer number (8279726).

Almost surely, 2^82226252 is an apocalyptic number.

It is an amenable number.

82226252 is a deficient number, since it is larger than the sum of its proper divisors (66808816).

82226252 is a wasteful number, since it uses less digits than its factorization.

82226252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24505 (or 24474 counting only the distinct ones).

The product of its digits is 7680, while the sum is 29.

The square root of 82226252 is about 9067.8692094670. The cubic root of 82226252 is about 434.8473538485.

The spelling of 82226252 in words is "eighty-two million, two hundred twenty-six thousand, two hundred fifty-two".