7220770227 has 72 divisors (see below), whose sum is σ = 12020312304. Its totient is φ = 4169088000.

The previous prime is 7220770217. The next prime is 7220770229.

7220770227 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 7220770227 - 2⁴ = 7220770211 is a prime.

It is a super-2 number, since 2×7220770227² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7220770191 and 7220770200.

It is not an unprimeable number, because it can be changed into a prime (7220770229) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1918027 + ... + 1921787.

It is an arithmetic number, because the mean of its divisors is an integer number (166948782).

Almost surely, 2^7220770227 is an apocalyptic number.

7220770227 is a deficient number, since it is larger than the sum of its proper divisors (4799542077).

7220770227 is a wasteful number, since it uses less digits than its factorization.

7220770227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3873 (or 3859 counting only the distinct ones).

The product of its (nonzero) digits is 38416, while the sum is 36.

The square root of 7220770227 is about 84975.1153397275. The cubic root of 7220770227 is about 1932.8337860128.

The spelling of 7220770227 in words is "seven billion, two hundred twenty million, seven hundred seventy thousand, two hundred twenty-seven".