222481489 has 2 divisors, whose sum is σ = 222481490. Its totient is φ = 222481488.

The previous prime is 222481477. The next prime is 222481517. The reversal of 222481489 is 984184222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 221414400 + 1067089 = 14880^2 + 1033^2 .

It is a cyclic number.

It is not a de Polignac number, because 222481489 - 2⁹ = 222480977 is a prime.

It is not a weakly prime, because it can be changed into another prime (222481289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111240744 + 111240745.

It is an arithmetic number, because the mean of its divisors is an integer number (111240745).

Almost surely, 2^222481489 is an apocalyptic number.

It is an amenable number.

222481489 is a deficient number, since it is larger than the sum of its proper divisors (1).

222481489 is an equidigital number, since it uses as much as digits as its factorization.

222481489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 73728, while the sum is 40.

The square root of 222481489 is about 14915.8133871405. The cubic root of 222481489 is about 605.9423322281.

The spelling of 222481489 in words is "two hundred twenty-two million, four hundred eighty-one thousand, four hundred eighty-nine".