847142226 has 96 divisors (see below), whose sum is σ = 2226352128. Its totient is φ = 236370960.

The previous prime is 847142213. The next prime is 847142243. The reversal of 847142226 is 622241748.

It is a Curzon number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 143391 + ... + 149181.

It is an arithmetic number, because the mean of its divisors is an integer number (23191168).

Almost surely, 2^847142226 is an apocalyptic number.

847142226 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 847142226, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1113176064).

847142226 is an abundant number, since it is smaller than the sum of its proper divisors (1379209902).

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

847142226 is a wasteful number, since it uses less digits than its factorization.

847142226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5858 (or 5846 counting only the distinct ones).

The product of its digits is 43008, while the sum is 36.

The square root of 847142226 is about 29105.7077907410. The cubic root of 847142226 is about 946.2054458017.

It can be divided in two parts, 84 and 7142226, that added together give a triangular number (7142310 = T₃₇₇₉).

The spelling of 847142226 in words is "eight hundred forty-seven million, one hundred forty-two thousand, two hundred twenty-six".