107222161 has 2 divisors, whose sum is σ = 107222162. Its totient is φ = 107222160.

The previous prime is 107222153. The next prime is 107222209. The reversal of 107222161 is 161222701.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 92160000 + 15062161 = 9600^2 + 3881^2 .

It is a cyclic number.

It is not a de Polignac number, because 107222161 - 2³ = 107222153 is a prime.

It is a super-2 number, since 2×107222161² = 22993183619019842, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (107222261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53611080 + 53611081.

It is an arithmetic number, because the mean of its divisors is an integer number (53611081).

Almost surely, 2^107222161 is an apocalyptic number.

It is an amenable number.

107222161 is a deficient number, since it is larger than the sum of its proper divisors (1).

107222161 is an equidigital number, since it uses as much as digits as its factorization.

107222161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 107222161 is about 10354.8134217860. The cubic root of 107222161 is about 475.0742797964.

Adding to 107222161 its reverse (161222701), we get a palindrome (268444862).

The spelling of 107222161 in words is "one hundred seven million, two hundred twenty-two thousand, one hundred sixty-one".