2223522137 has 2 divisors, whose sum is σ = 2223522138. Its totient is φ = 2223522136.

The previous prime is 2223522061. The next prime is 2223522221. The reversal of 2223522137 is 7312253222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1274204416 + 949317721 = 35696^2 + 30811^2 .

It is a cyclic number.

It is not a de Polignac number, because 2223522137 - 2¹⁸ = 2223259993 is a prime.

It is not a weakly prime, because it can be changed into another prime (2223552137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111761068 + 1111761069.

It is an arithmetic number, because the mean of its divisors is an integer number (1111761069).

Almost surely, 2^2223522137 is an apocalyptic number.

It is an amenable number.

2223522137 is a deficient number, since it is larger than the sum of its proper divisors (1).

2223522137 is an equidigital number, since it uses as much as digits as its factorization.

2223522137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10080, while the sum is 29.

The square root of 2223522137 is about 47154.2377416919. The cubic root of 2223522137 is about 1305.2102805063.

Adding to 2223522137 its reverse (7312253222), we get a palindrome (9535775359).

The spelling of 2223522137 in words is "two billion, two hundred twenty-three million, five hundred twenty-two thousand, one hundred thirty-seven".