22221004097 has 2 divisors, whose sum is σ = 22221004098. Its totient is φ = 22221004096.

The previous prime is 22221004093. The next prime is 22221004129. The reversal of 22221004097 is 79040012222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16350992641 + 5870011456 = 127871^2 + 76616^2 .

It is a cyclic number.

It is not a de Polignac number, because 22221004097 - 2² = 22221004093 is a prime.

It is not a weakly prime, because it can be changed into another prime (22221004093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11110502048 + 11110502049.

It is an arithmetic number, because the mean of its divisors is an integer number (11110502049).

Almost surely, 2^22221004097 is an apocalyptic number.

It is an amenable number.

22221004097 is a deficient number, since it is larger than the sum of its proper divisors (1).

22221004097 is an equidigital number, since it uses as much as digits as its factorization.

22221004097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 29.

The spelling of 22221004097 in words is "twenty-two billion, two hundred twenty-one million, four thousand, ninety-seven".