7224355 has 8 divisors (see below), whose sum is σ = 8725392. Its totient is φ = 5742048.

The previous prime is 7224341. The next prime is 7224359. The reversal of 7224355 is 5534227.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7224355 - 2¹³ = 7216163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7224359) 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, 3817 + ... + 5386.

It is an arithmetic number, because the mean of its divisors is an integer number (1090674).

Almost surely, 2^7224355 is an apocalyptic number.

7224355 is a deficient number, since it is larger than the sum of its proper divisors (1501037).

7224355 is a wasteful number, since it uses less digits than its factorization.

7224355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9365.

The product of its digits is 8400, while the sum is 28.

The square root of 7224355 is about 2687.8160279305. The cubic root of 7224355 is about 193.3153586803.

The spelling of 7224355 in words is "seven million, two hundred twenty-four thousand, three hundred fifty-five".