222160521137 has 2 divisors, whose sum is σ = 222160521138. Its totient is φ = 222160521136.

The previous prime is 222160521127. The next prime is 222160521161. The reversal of 222160521137 is 731125061222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 205169137936 + 16991383201 = 452956^2 + 130351^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222160521137 is a prime.

It is not a weakly prime, because it can be changed into another prime (222160521127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111080260568 + 111080260569.

It is an arithmetic number, because the mean of its divisors is an integer number (111080260569).

Almost surely, 2^222160521137 is an apocalyptic number.

It is an amenable number.

222160521137 is a deficient number, since it is larger than the sum of its proper divisors (1).

222160521137 is an equidigital number, since it uses as much as digits as its factorization.

222160521137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 32.

Adding to 222160521137 its reverse (731125061222), we get a palindrome (953285582359).

The spelling of 222160521137 in words is "two hundred twenty-two billion, one hundred sixty million, five hundred twenty-one thousand, one hundred thirty-seven".