82262144 has 16 divisors (see below), whose sum is σ = 163881870. Its totient is φ = 41131008.

The previous prime is 82262123. The next prime is 82262171. The reversal of 82262144 is 44126228.

It can be written as a sum of positive squares in only one way, i.e., 58369600 + 23892544 = 7640^2 + 4888^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 321209 + ... + 321464.

Almost surely, 2^82262144 is an apocalyptic number.

It is an amenable number.

82262144 is a deficient number, since it is larger than the sum of its proper divisors (81619726).

82262144 is an equidigital number, since it uses as much as digits as its factorization.

82262144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642687 (or 642675 counting only the distinct ones).

The product of its digits is 6144, while the sum is 29.

The square root of 82262144 is about 9069.8480692898. The cubic root of 82262144 is about 434.9106153596.

The spelling of 82262144 in words is "eighty-two million, two hundred sixty-two thousand, one hundred forty-four".