82225546 has 16 divisors (see below), whose sum is σ = 135916704. Its totient is φ = 37067184.

The previous prime is 82225543. The next prime is 82225553. The reversal of 82225546 is 64552228.

It is a super-2 number, since 2×82225546² = 13522080829996232, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (82225543) 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, 35656 + ... + 37891.

It is an arithmetic number, because the mean of its divisors is an integer number (8494794).

Almost surely, 2^82225546 is an apocalyptic number.

82225546 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

82225546 is a deficient number, since it is larger than the sum of its proper divisors (53691158).

82225546 is a wasteful number, since it uses less digits than its factorization.

82225546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73605.

The product of its digits is 38400, while the sum is 34.

The square root of 82225546 is about 9067.8302807232. The cubic root of 82225546 is about 434.8461093023.

The spelling of 82225546 in words is "eighty-two million, two hundred twenty-five thousand, five hundred forty-six".