2222100997 has 2 divisors, whose sum is σ = 2222100998. Its totient is φ = 2222100996.

The previous prime is 2222100973. The next prime is 2222101027. The reversal of 2222100997 is 7990012222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2061977281 + 160123716 = 45409^2 + 12654^2 .

It is a cyclic number.

It is not a de Polignac number, because 2222100997 - 2¹⁵ = 2222068229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2222101997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1111050498 + 1111050499.

It is an arithmetic number, because the mean of its divisors is an integer number (1111050499).

Almost surely, 2^2222100997 is an apocalyptic number.

It is an amenable number.

2222100997 is a deficient number, since it is larger than the sum of its proper divisors (1).

2222100997 is an equidigital number, since it uses as much as digits as its factorization.

2222100997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 2222100997 is about 47139.1662739171. The cubic root of 2222100997 is about 1304.9321509231.

The spelling of 2222100997 in words is "two billion, two hundred twenty-two million, one hundred thousand, nine hundred ninety-seven".