7224227 has 4 divisors (see below), whose sum is σ = 7295856. Its totient is φ = 7152600.

The previous prime is 7224221. The next prime is 7224233.

It is a happy number.

7224227 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (7224221) and next prime (7224233).

It is a cyclic number.

It is not a de Polignac number, because 7224227 - 2⁴ = 7224211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7224196 and 7224205.

It is not an unprimeable number, because it can be changed into a prime (7224221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35663 + ... + 35864.

It is an arithmetic number, because the mean of its divisors is an integer number (1823964).

Almost surely, 2^7224227 is an apocalyptic number.

7224227 is a deficient number, since it is larger than the sum of its proper divisors (71629).

7224227 is a wasteful number, since it uses less digits than its factorization.

7224227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71628.

The product of its digits is 3136, while the sum is 26.

The square root of 7224227 is about 2687.7922166715. The cubic root of 7224227 is about 193.3142169631.

The spelling of 7224227 in words is "seven million, two hundred twenty-four thousand, two hundred twenty-seven".