2212547071 has 4 divisors (see below), whose sum is σ = 2528625232. Its totient is φ = 1896468912.

The previous prime is 2212547027. The next prime is 2212547081. The reversal of 2212547071 is 1707452122.

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 2212547071 - 2²⁷ = 2078329343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212547021) 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, 158039070 + ... + 158039083.

It is an arithmetic number, because the mean of its divisors is an integer number (632156308).

Almost surely, 2^2212547071 is an apocalyptic number.

2212547071 is a deficient number, since it is larger than the sum of its proper divisors (316078161).

2212547071 is an equidigital number, since it uses as much as digits as its factorization.

2212547071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316078160.

The product of its (nonzero) digits is 7840, while the sum is 31.

The square root of 2212547071 is about 47037.7196619904. The cubic root of 2212547071 is about 1303.0592784119.

Adding to 2212547071 its reverse (1707452122), we get a palindrome (3919999193).

It can be divided in two parts, 22125 and 47071, that added together give a palindrome (69196).

The spelling of 2212547071 in words is "two billion, two hundred twelve million, five hundred forty-seven thousand, seventy-one".