2228137 has 2 divisors, whose sum is σ = 2228138. Its totient is φ = 2228136.

The previous prime is 2228123. The next prime is 2228143. The reversal of 2228137 is 7318222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1401856 + 826281 = 1184^2 + 909^2 .

It is a cyclic number.

It is not a de Polignac number, because 2228137 - 2¹¹ = 2226089 is a prime.

2228137 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (2228117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1114068 + 1114069.

It is an arithmetic number, because the mean of its divisors is an integer number (1114069).

2^2228137 is an apocalyptic number.

It is an amenable number.

2228137 is a deficient number, since it is larger than the sum of its proper divisors (1).

2228137 is an equidigital number, since it uses as much as digits as its factorization.

2228137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1344, while the sum is 25.

The square root of 2228137 is about 1492.6945434348. The cubic root of 2228137 is about 130.6112633312.

The spelling of 2228137 in words is "two million, two hundred twenty-eight thousand, one hundred thirty-seven".