7224822 has 32 divisors (see below), whose sum is σ = 17516160. Its totient is φ = 2189160.

The previous prime is 7224809. The next prime is 7224823. The reversal of 7224822 is 2284227.

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 (7224823) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5488 + ... + 6675.

It is an arithmetic number, because the mean of its divisors is an integer number (547380).

Almost surely, 2^7224822 is an apocalyptic number.

7224822 is an abundant number, since it is smaller than the sum of its proper divisors (10291338).

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

7224822 is a wasteful number, since it uses less digits than its factorization.

7224822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12185 (or 12179 counting only the distinct ones).

The product of its digits is 3584, while the sum is 27.

The square root of 7224822 is about 2687.9029000319. The cubic root of 7224822 is about 193.3195240500.

The spelling of 7224822 in words is "seven million, two hundred twenty-four thousand, eight hundred twenty-two".