7222368 has 48 divisors (see below), whose sum is σ = 19789056. Its totient is φ = 2302080.

The previous prime is 7222361. The next prime is 7222373. The reversal of 7222368 is 8632227.

It is a tau number, because it is divible by the number of its divisors (48).

It is a d-powerful number, because it can be written as 7⁵ + 2⁸ + 2¹⁴ + 2²¹ + 3¹⁴ + 6⁶ + 8⁶ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7222361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 573 + ... + 3843.

It is an arithmetic number, because the mean of its divisors is an integer number (412272).

Almost surely, 2^7222368 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7222368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9894528).

7222368 is an abundant number, since it is smaller than the sum of its proper divisors (12566688).

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

7222368 is a wasteful number, since it uses less digits than its factorization.

7222368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3307 (or 3299 counting only the distinct ones).

The product of its digits is 8064, while the sum is 30.

The square root of 7222368 is about 2687.4463715580. The cubic root of 7222368 is about 193.2976337836.

The spelling of 7222368 in words is "seven million, two hundred twenty-two thousand, three hundred sixty-eight".