222100555489 has 2 divisors, whose sum is σ = 222100555490. Its totient is φ = 222100555488.

The previous prime is 222100555463. The next prime is 222100555517. The reversal of 222100555489 is 984555001222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 222029440000 + 71115489 = 471200^2 + 8433^2 .

It is a cyclic number.

It is not a de Polignac number, because 222100555489 - 2⁷ = 222100555361 is a prime.

It is not a weakly prime, because it can be changed into another prime (222100555429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111050277744 + 111050277745.

It is an arithmetic number, because the mean of its divisors is an integer number (111050277745).

Almost surely, 2^222100555489 is an apocalyptic number.

It is an amenable number.

222100555489 is a deficient number, since it is larger than the sum of its proper divisors (1).

222100555489 is an equidigital number, since it uses as much as digits as its factorization.

222100555489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288000, while the sum is 43.

The spelling of 222100555489 in words is "two hundred twenty-two billion, one hundred million, five hundred fifty-five thousand, four hundred eighty-nine".