2243492257 has 2 divisors, whose sum is σ = 2243492258. Its totient is φ = 2243492256.

The previous prime is 2243492213. The next prime is 2243492263. The reversal of 2243492257 is 7522943422.

2243492257 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1896079936 + 347412321 = 43544^2 + 18639^2 .

It is a cyclic number.

It is not a de Polignac number, because 2243492257 - 2¹⁵ = 2243459489 is a prime.

It is not a weakly prime, because it can be changed into another prime (2243492357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1121746128 + 1121746129.

It is an arithmetic number, because the mean of its divisors is an integer number (1121746129).

Almost surely, 2^2243492257 is an apocalyptic number.

It is an amenable number.

2243492257 is a deficient number, since it is larger than the sum of its proper divisors (1).

2243492257 is an equidigital number, since it uses as much as digits as its factorization.

2243492257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 241920, while the sum is 40.

The square root of 2243492257 is about 47365.5175945540. The cubic root of 2243492257 is about 1309.1061355533.

The spelling of 2243492257 in words is "two billion, two hundred forty-three million, four hundred ninety-two thousand, two hundred fifty-seven".