222122220049 has 2 divisors, whose sum is σ = 222122220050. Its totient is φ = 222122220048.

The previous prime is 222122219981. The next prime is 222122220149. The reversal of 222122220049 is 940022221222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 221558490000 + 563730049 = 470700^2 + 23743^2 .

It is a cyclic number.

It is not a de Polignac number, because 222122220049 - 2³³ = 213532285457 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 222122219999 and 222122220026.

It is not a weakly prime, because it can be changed into another prime (222122220149) 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, 111061110024 + 111061110025.

It is an arithmetic number, because the mean of its divisors is an integer number (111061110025).

Almost surely, 2^222122220049 is an apocalyptic number.

It is an amenable number.

222122220049 is a deficient number, since it is larger than the sum of its proper divisors (1).

222122220049 is an equidigital number, since it uses as much as digits as its factorization.

222122220049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 28.

The spelling of 222122220049 in words is "two hundred twenty-two billion, one hundred twenty-two million, two hundred twenty thousand, forty-nine".