82244357 has 6 divisors (see below), whose sum is σ = 89057682. Its totient is φ = 75917712.

The previous prime is 82244353. The next prime is 82244363. The reversal of 82244357 is 75344228.

It can be written as a sum of positive squares in 3 ways, for example, as 2927521 + 79316836 = 1711^2 + 8906^2 .

It is not a de Polignac number, because 82244357 - 2² = 82244353 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82244353) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 243158 + ... + 243495.

It is an arithmetic number, because the mean of its divisors is an integer number (14842947).

Almost surely, 2^82244357 is an apocalyptic number.

It is an amenable number.

82244357 is a deficient number, since it is larger than the sum of its proper divisors (6813325).

82244357 is a wasteful number, since it uses less digits than its factorization.

82244357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486679 (or 486666 counting only the distinct ones).

The product of its digits is 53760, while the sum is 35.

The square root of 82244357 is about 9068.8674596115. The cubic root of 82244357 is about 434.8792671503.

The spelling of 82244357 in words is "eighty-two million, two hundred forty-four thousand, three hundred fifty-seven".