2147222489 has 2 divisors, whose sum is σ = 2147222490. Its totient is φ = 2147222488.

The previous prime is 2147222423. The next prime is 2147222491. The reversal of 2147222489 is 9842227412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1842126400 + 305096089 = 42920^2 + 17467^2 .

It is a cyclic number.

It is not a de Polignac number, because 2147222489 - 2¹² = 2147218393 is a prime.

It is a super-2 number, since 2×2147222489² = 9221128834534710242, which contains 22 as substring.

Together with 2147222491, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2147222789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1073611244 + 1073611245.

It is an arithmetic number, because the mean of its divisors is an integer number (1073611245).

Almost surely, 2^2147222489 is an apocalyptic number.

It is an amenable number.

2147222489 is a deficient number, since it is larger than the sum of its proper divisors (1).

2147222489 is an equidigital number, since it uses as much as digits as its factorization.

2147222489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129024, while the sum is 41.

The square root of 2147222489 is about 46338.1321267916. The cubic root of 2147222489 is about 1290.1068535169.

The spelling of 2147222489 in words is "two billion, one hundred forty-seven million, two hundred twenty-two thousand, four hundred eighty-nine".