180422449 has 4 divisors (see below), whose sum is σ = 186242560. Its totient is φ = 174602340.

The previous prime is 180422447. The next prime is 180422477. The reversal of 180422449 is 944224081.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 180422449 - 2¹ = 180422447 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (180422443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2910009 + ... + 2910070.

It is an arithmetic number, because the mean of its divisors is an integer number (46560640).

Almost surely, 2^180422449 is an apocalyptic number.

It is an amenable number.

180422449 is a deficient number, since it is larger than the sum of its proper divisors (5820111).

180422449 is an equidigital number, since it uses as much as digits as its factorization.

180422449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5820110.

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 180422449 is about 13432.1423831048. The cubic root of 180422449 is about 565.0629830328.

The spelling of 180422449 in words is "one hundred eighty million, four hundred twenty-two thousand, four hundred forty-nine".