7222350 has 48 divisors (see below), whose sum is σ = 18146160. Its totient is φ = 1900800.

The previous prime is 7222343. The next prime is 7222357. The reversal of 7222350 is 532227.

7222350 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (7222343) and next prime (7222357).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7222357) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13080 + ... + 13620.

It is an arithmetic number, because the mean of its divisors is an integer number (378045).

Almost surely, 2^7222350 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7222350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9073080).

7222350 is an abundant number, since it is smaller than the sum of its proper divisors (10923810).

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

7222350 is a wasteful number, since it uses less digits than its factorization.

7222350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645 (or 640 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 21.

The square root of 7222350 is about 2687.4430226518. The cubic root of 7222350 is about 193.2974732010.

Adding to 7222350 its reverse (532227), we get a palindrome (7754577).

It can be divided in two parts, 72 and 22350, that added together give a palindrome (22422).

The spelling of 7222350 in words is "seven million, two hundred twenty-two thousand, three hundred fifty".