869190822 has 24 divisors (see below), whose sum is σ = 1886054976. Its totient is φ = 289298256.

The previous prime is 869190811. The next prime is 869190823. The reversal of 869190822 is 228091968.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (869190823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23478 + ... + 47849.

It is an arithmetic number, because the mean of its divisors is an integer number (78585624).

Almost surely, 2^869190822 is an apocalyptic number.

869190822 is an abundant number, since it is smaller than the sum of its proper divisors (1016864154).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

869190822 is a wasteful number, since it uses less digits than its factorization.

869190822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72012 (or 72009 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The square root of 869190822 is about 29482.0423648023. The cubic root of 869190822 is about 954.3442121165.

The spelling of 869190822 in words is "eight hundred sixty-nine million, one hundred ninety thousand, eight hundred twenty-two".