5631822 has 64 divisors (see below), whose sum is σ = 14653440. Its totient is φ = 1569888.

The previous prime is 5631817. The next prime is 5631823. The reversal of 5631822 is 2281365.

5631822 is a `hidden beast` number, since 5 + 631 + 8 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5631823) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17608 + ... + 17924.

It is an arithmetic number, because the mean of its divisors is an integer number (228960).

Almost surely, 2^5631822 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5631822, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7326720).

5631822 is an abundant number, since it is smaller than the sum of its proper divisors (9021618).

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

5631822 is a wasteful number, since it uses less digits than its factorization.

5631822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382 (or 376 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 5631822 is about 2373.1460132069. The cubic root of 5631822 is about 177.9165328486.

It can be divided in two parts, 56 and 31822, that added together give a triangular number (31878 = T₂₅₂).

The spelling of 5631822 in words is "five million, six hundred thirty-one thousand, eight hundred twenty-two".