822649415 has 16 divisors (see below), whose sum is σ = 1134120960. Its totient is φ = 561144480.

The previous prime is 822649301. The next prime is 822649417. The reversal of 822649415 is 514946228.

It is not a de Polignac number, because 822649415 - 2¹⁰ = 822648391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (822649417) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 54845 + ... + 68214.

It is an arithmetic number, because the mean of its divisors is an integer number (70882560).

Almost surely, 2^822649415 is an apocalyptic number.

822649415 is a deficient number, since it is larger than the sum of its proper divisors (311471545).

822649415 is a wasteful number, since it uses less digits than its factorization.

822649415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123262.

The product of its digits is 138240, while the sum is 41.

The square root of 822649415 is about 28681.8656122645. The cubic root of 822649415 is about 936.9971380831.

The spelling of 822649415 in words is "eight hundred twenty-two million, six hundred forty-nine thousand, four hundred fifteen".