7221294 has 24 divisors (see below), whose sum is σ = 16567200. Its totient is φ = 2265408.

The previous prime is 7221293. The next prime is 7221299. The reversal of 7221294 is 4921227.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7221293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11494 + ... + 12105.

It is an arithmetic number, because the mean of its divisors is an integer number (690300).

Almost surely, 2^7221294 is an apocalyptic number.

7221294 is an abundant number, since it is smaller than the sum of its proper divisors (9345906).

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

7221294 is a wasteful number, since it uses less digits than its factorization.

7221294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23624 (or 23621 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 7221294 is about 2687.2465461881. The cubic root of 7221294 is about 193.2880518870.

It can be divided in two parts, 722 and 1294, that added together give a triangular number (2016 = T₆₃).

The spelling of 7221294 in words is "seven million, two hundred twenty-one thousand, two hundred ninety-four".