222201210137 has 2 divisors, whose sum is σ = 222201210138. Its totient is φ = 222201210136.

The previous prime is 222201210109. The next prime is 222201210193. The reversal of 222201210137 is 731012102222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 146762545216 + 75438664921 = 383096^2 + 274661^2 .

It is a cyclic number.

It is not a de Polignac number, because 222201210137 - 2¹⁸ = 222200947993 is a prime.

It is not a weakly prime, because it can be changed into another prime (222201210337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111100605068 + 111100605069.

It is an arithmetic number, because the mean of its divisors is an integer number (111100605069).

Almost surely, 2^222201210137 is an apocalyptic number.

It is an amenable number.

222201210137 is a deficient number, since it is larger than the sum of its proper divisors (1).

222201210137 is an equidigital number, since it uses as much as digits as its factorization.

222201210137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672, while the sum is 23.

Adding to 222201210137 its reverse (731012102222), we get a palindrome (953213312359).

The spelling of 222201210137 in words is "two hundred twenty-two billion, two hundred one million, two hundred ten thousand, one hundred thirty-seven".