82242369 has 18 divisors (see below), whose sum is σ = 130577538. Its totient is φ = 49843200.

The previous prime is 82242367. The next prime is 82242389. The reversal of 82242369 is 96324228.

It can be written as a sum of positive squares in only one way, i.e., 73616400 + 8625969 = 8580^2 + 2937^2 .

It is not a de Polignac number, because 82242369 - 2¹ = 82242367 is a prime.

It is a super-2 number, since 2×82242369² = 13527614517464322, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (82242361) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 36672 + ... + 38849.

Almost surely, 2^82242369 is an apocalyptic number.

It is an amenable number.

82242369 is a deficient number, since it is larger than the sum of its proper divisors (48335169).

82242369 is a wasteful number, since it uses less digits than its factorization.

82242369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75549 (or 75535 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 82242369 is about 9068.7578532013. The cubic root of 82242369 is about 434.8757631735.

The spelling of 82242369 in words is "eighty-two million, two hundred forty-two thousand, three hundred sixty-nine".