822147234 has 16 divisors (see below), whose sum is σ = 1741017888. Its totient is φ = 257928512.

The previous prime is 822147199. The next prime is 822147239. The reversal of 822147234 is 432741228.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 822147195 and 822147204.

It is not an unprimeable number, because it can be changed into a prime (822147239) 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 7 ways as a sum of consecutive naturals, for example, 4030032 + ... + 4030235.

It is an arithmetic number, because the mean of its divisors is an integer number (108813618).

Almost surely, 2^822147234 is an apocalyptic number.

822147234 is an abundant number, since it is smaller than the sum of its proper divisors (918870654).

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

822147234 is a wasteful number, since it uses less digits than its factorization.

822147234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8060289.

The product of its digits is 21504, while the sum is 33.

The square root of 822147234 is about 28673.1099464289. The cubic root of 822147234 is about 936.8064379986.

It can be divided in two parts, 8221 and 47234, that added together give a palindrome (55455).

The spelling of 822147234 in words is "eight hundred twenty-two million, one hundred forty-seven thousand, two hundred thirty-four".