7220227 has 4 divisors (see below), whose sum is σ = 8251696. Its totient is φ = 6188760.

The previous prime is 7220219. The next prime is 7220231.

7220227 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 7220227 - 2³ = 7220219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7220198 and 7220207.

It is not an unprimeable number, because it can be changed into a prime (7220237) 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, 515724 + ... + 515737.

It is an arithmetic number, because the mean of its divisors is an integer number (2062924).

Almost surely, 2^7220227 is an apocalyptic number.

7220227 is a deficient number, since it is larger than the sum of its proper divisors (1031469).

7220227 is a wasteful number, since it uses less digits than its factorization.

7220227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1031468.

The product of its (nonzero) digits is 784, while the sum is 22.

The square root of 7220227 is about 2687.0480085030. The cubic root of 7220227 is about 193.2785315014.

It can be divided in two parts, 7220 and 227, that added together give a palindrome (7447).

The spelling of 7220227 in words is "seven million, two hundred twenty thousand, two hundred twenty-seven".