222412240109 has 2 divisors, whose sum is σ = 222412240110. Its totient is φ = 222412240108.

The previous prime is 222412240019. The next prime is 222412240157. The reversal of 222412240109 is 901042214222.

Together with previous prime (222412240019) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 161033664100 + 61378576009 = 401290^2 + 247747^2 .

It is a cyclic number.

It is not a de Polignac number, because 222412240109 - 2¹⁶ = 222412174573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222412240159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111206120054 + 111206120055.

It is an arithmetic number, because the mean of its divisors is an integer number (111206120055).

Almost surely, 2^222412240109 is an apocalyptic number.

It is an amenable number.

222412240109 is a deficient number, since it is larger than the sum of its proper divisors (1).

222412240109 is an equidigital number, since it uses as much as digits as its factorization.

222412240109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 29.

The spelling of 222412240109 in words is "two hundred twenty-two billion, four hundred twelve million, two hundred forty thousand, one hundred nine".