222122019961 has 2 divisors, whose sum is σ = 222122019962. Its totient is φ = 222122019960.

The previous prime is 222122019923. The next prime is 222122020031. The reversal of 222122019961 is 169910221222.

222122019961 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 214957413225 + 7164606736 = 463635^2 + 84644^2 .

It is a cyclic number.

It is not a de Polignac number, because 222122019961 - 2³³ = 213532085369 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 222122019961.

It is not a weakly prime, because it can be changed into another prime (222129019961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111061009980 + 111061009981.

It is an arithmetic number, because the mean of its divisors is an integer number (111061009981).

Almost surely, 2^222122019961 is an apocalyptic number.

It is an amenable number.

222122019961 is a deficient number, since it is larger than the sum of its proper divisors (1).

222122019961 is an equidigital number, since it uses as much as digits as its factorization.

222122019961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 37.

The spelling of 222122019961 in words is "two hundred twenty-two billion, one hundred twenty-two million, nineteen thousand, nine hundred sixty-one".