2212605227 has 4 divisors (see below), whose sum is σ = 2528691696. Its totient is φ = 1896518760.

The previous prime is 2212605223. The next prime is 2212605247. The reversal of 2212605227 is 7225062122.

2212605227 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2212605227 - 2² = 2212605223 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2212605227.

It is not an unprimeable number, because it can be changed into a prime (2212605223) 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, 158043224 + ... + 158043237.

It is an arithmetic number, because the mean of its divisors is an integer number (632172924).

Almost surely, 2^2212605227 is an apocalyptic number.

2212605227 is a deficient number, since it is larger than the sum of its proper divisors (316086469).

2212605227 is an equidigital number, since it uses as much as digits as its factorization.

2212605227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316086468.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 2212605227 is about 47038.3378426577. The cubic root of 2212605227 is about 1303.0706951259.

Adding to 2212605227 its reverse (7225062122), we get a palindrome (9437667349).

The spelling of 2212605227 in words is "two billion, two hundred twelve million, six hundred five thousand, two hundred twenty-seven".