2243225257 has 16 divisors (see below), whose sum is σ = 2782646272. Its totient is φ = 1760875200.

The previous prime is 2243225239. The next prime is 2243225261. The reversal of 2243225257 is 7525223422.

2243225257 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2243225257 - 2¹⁹ = 2242700969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2243225227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85494 + ... + 108607.

It is an arithmetic number, because the mean of its divisors is an integer number (173915392).

Almost surely, 2^2243225257 is an apocalyptic number.

It is an amenable number.

2243225257 is a deficient number, since it is larger than the sum of its proper divisors (539421015).

2243225257 is a wasteful number, since it uses less digits than its factorization.

2243225257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194248.

The product of its digits is 67200, while the sum is 34.

The square root of 2243225257 is about 47362.6990045964. The cubic root of 2243225257 is about 1309.0542008662.

Adding to 2243225257 its reverse (7525223422), we get a palindrome (9768448679).

The spelling of 2243225257 in words is "two billion, two hundred forty-three million, two hundred twenty-five thousand, two hundred fifty-seven".