2244157 has 2 divisors, whose sum is σ = 2244158. Its totient is φ = 2244156.

The previous prime is 2244139. The next prime is 2244163. The reversal of 2244157 is 7514422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2033476 + 210681 = 1426^2 + 459^2 .

It is a cyclic number.

It is not a de Polignac number, because 2244157 - 2¹⁹ = 1719869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2244167) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1122078 + 1122079.

It is an arithmetic number, because the mean of its divisors is an integer number (1122079).

2^2244157 is an apocalyptic number.

It is an amenable number.

2244157 is a deficient number, since it is larger than the sum of its proper divisors (1).

2244157 is an equidigital number, since it uses as much as digits as its factorization.

2244157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2240, while the sum is 25.

The square root of 2244157 is about 1498.0510672203. The cubic root of 2244157 is about 130.9235418104.

Adding to 2244157 its reverse (7514422), we get a palindrome (9758579).

It can be divided in two parts, 224415 and 7, that added together give a palindrome (224422).

The spelling of 2244157 in words is "two million, two hundred forty-four thousand, one hundred fifty-seven".