822115099 has 16 divisors (see below), whose sum is σ = 915465600. Its totient is φ = 733345920.

The previous prime is 822115093. The next prime is 822115141. The reversal of 822115099 is 990511228.

It is not a de Polignac number, because 822115099 - 2²³ = 813726491 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (822115093) 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 15 ways as a sum of consecutive naturals, for example, 65934 + ... + 77404.

It is an arithmetic number, because the mean of its divisors is an integer number (57216600).

Almost surely, 2^822115099 is an apocalyptic number.

822115099 is a deficient number, since it is larger than the sum of its proper divisors (93350501).

822115099 is a wasteful number, since it uses less digits than its factorization.

822115099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11670.

The product of its (nonzero) digits is 12960, while the sum is 37.

The square root of 822115099 is about 28672.5495727185. The cubic root of 822115099 is about 936.7942322907.

It can be divided in two parts, 822 and 115099, that added together give a triangular number (115921 = T₄₈₁).

The spelling of 822115099 in words is "eight hundred twenty-two million, one hundred fifteen thousand, ninety-nine".