222124129 has 2 divisors, whose sum is σ = 222124130. Its totient is φ = 222124128.

The previous prime is 222124127. The next prime is 222124211. The reversal of 222124129 is 921421222.

222124129 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., 211411600 + 10712529 = 14540^2 + 3273^2 .

It is a cyclic number.

It is not a de Polignac number, because 222124129 - 2¹ = 222124127 is a prime.

Together with 222124127, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (222124127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111062064 + 111062065.

It is an arithmetic number, because the mean of its divisors is an integer number (111062065).

Almost surely, 2^222124129 is an apocalyptic number.

It is an amenable number.

222124129 is a deficient number, since it is larger than the sum of its proper divisors (1).

222124129 is an equidigital number, since it uses as much as digits as its factorization.

222124129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1152, while the sum is 25.

The square root of 222124129 is about 14903.8293401394. The cubic root of 222124129 is about 605.6177275535.

The spelling of 222124129 in words is "two hundred twenty-two million, one hundred twenty-four thousand, one hundred twenty-nine".