106442197 has 2 divisors, whose sum is σ = 106442198. Its totient is φ = 106442196.

The previous prime is 106442159. The next prime is 106442201. The reversal of 106442197 is 791244601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 104980516 + 1461681 = 10246^2 + 1209^2 .

It is a cyclic number.

It is not a de Polignac number, because 106442197 - 2⁷ = 106442069 is a prime.

It is a super-2 number, since 2×106442197² = 22659882604373618, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (106442107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53221098 + 53221099.

It is an arithmetic number, because the mean of its divisors is an integer number (53221099).

Almost surely, 2^106442197 is an apocalyptic number.

It is an amenable number.

106442197 is a deficient number, since it is larger than the sum of its proper divisors (1).

106442197 is an equidigital number, since it uses as much as digits as its factorization.

106442197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 106442197 is about 10317.0827756687. The cubic root of 106442197 is about 473.9195341936.

Adding to 106442197 its reverse (791244601), we get a palindrome (897686798).

The spelling of 106442197 in words is "one hundred six million, four hundred forty-two thousand, one hundred ninety-seven".