7227822 has 64 divisors (see below), whose sum is σ = 17915904. Its totient is φ = 1896960.

The previous prime is 7227817. The next prime is 7227823. The reversal of 7227822 is 2287227.

It is a self number, because there is not a number n which added to its sum of digits gives 7227822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7227823) 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 31 ways as a sum of consecutive naturals, for example, 37747 + ... + 37937.

It is an arithmetic number, because the mean of its divisors is an integer number (279936).

Almost surely, 2^7227822 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7227822, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8957952).

7227822 is an abundant number, since it is smaller than the sum of its proper divisors (10688082).

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

7227822 is a wasteful number, since it uses less digits than its factorization.

7227822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273.

The product of its digits is 6272, while the sum is 30.

The square root of 7227822 is about 2688.4608979861. The cubic root of 7227822 is about 193.3462780340.

The spelling of 7227822 in words is "seven million, two hundred twenty-seven thousand, eight hundred twenty-two".