222100097 has 2 divisors, whose sum is σ = 222100098. Its totient is φ = 222100096.

The previous prime is 222100093. The next prime is 222100103. The reversal of 222100097 is 790001222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 155775361 + 66324736 = 12481^2 + 8144^2 .

It is a cyclic number.

It is not a de Polignac number, because 222100097 - 2² = 222100093 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (222100093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111050048 + 111050049.

It is an arithmetic number, because the mean of its divisors is an integer number (111050049).

Almost surely, 2^222100097 is an apocalyptic number.

It is an amenable number.

222100097 is a deficient number, since it is larger than the sum of its proper divisors (1).

222100097 is an equidigital number, since it uses as much as digits as its factorization.

222100097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 222100097 is about 14903.0230825829. The cubic root of 222100097 is about 605.5958858169.

The spelling of 222100097 in words is "two hundred twenty-two million, one hundred thousand, ninety-seven".