7228227 has 16 divisors (see below), whose sum is σ = 10209920. Its totient is φ = 4536000.

The previous prime is 7228223. The next prime is 7228229.

7228227 is nontrivially palindromic in base 10.

7228227 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7228227 - 2² = 7228223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7228194 and 7228203.

It is not an unprimeable number, because it can be changed into a prime (7228223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11727 + ... + 12327.

It is an arithmetic number, because the mean of its divisors is an integer number (638120).

Almost surely, 2^7228227 is an apocalyptic number.

7228227 is a deficient number, since it is larger than the sum of its proper divisors (2981693).

7228227 is a wasteful number, since it uses less digits than its factorization.

7228227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 834.

The product of its digits is 6272, while the sum is 30.

The square root of 7228227 is about 2688.5362188373. The cubic root of 7228227 is about 193.3498892547.

The spelling of 7228227 in words is "seven million, two hundred twenty-eight thousand, two hundred twenty-seven".