2257022213 has 4 divisors (see below), whose sum is σ = 2257248588. Its totient is φ = 2256795840.

The previous prime is 2257022189. The next prime is 2257022267. The reversal of 2257022213 is 3122207522.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2223405409 + 33616804 = 47153^2 + 5798^2 .

It is a cyclic number.

It is not a de Polignac number, because 2257022213 - 2³⁰ = 1183280389 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2257022113) 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, 97508 + ... + 118413.

It is an arithmetic number, because the mean of its divisors is an integer number (564312147).

Almost surely, 2^2257022213 is an apocalyptic number.

It is an amenable number.

2257022213 is a deficient number, since it is larger than the sum of its proper divisors (226375).

2257022213 is a wasteful number, since it uses less digits than its factorization.

2257022213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226374.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 2257022213 is about 47508.1278625037. The cubic root of 2257022213 is about 1311.7324965001.

Adding to 2257022213 its reverse (3122207522), we get a palindrome (5379229735).

The spelling of 2257022213 in words is "two billion, two hundred fifty-seven million, twenty-two thousand, two hundred thirteen".