7222842 has 24 divisors (see below), whose sum is σ = 17072640. Its totient is φ = 2188680.

The previous prime is 7222823. The next prime is 7222849. The reversal of 7222842 is 2482227.

It is not an unprimeable number, because it can be changed into a prime (7222849) 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 11 ways as a sum of consecutive naturals, for example, 18042 + ... + 18437.

It is an arithmetic number, because the mean of its divisors is an integer number (711360).

Almost surely, 2^7222842 is an apocalyptic number.

7222842 is an abundant number, since it is smaller than the sum of its proper divisors (9849798).

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

7222842 is a wasteful number, since it uses less digits than its factorization.

7222842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36498 (or 36495 counting only the distinct ones).

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

The square root of 7222842 is about 2687.5345579173. The cubic root of 7222842 is about 193.3018623632.

The spelling of 7222842 in words is "seven million, two hundred twenty-two thousand, eight hundred forty-two".