180222245 has 24 divisors (see below), whose sum is σ = 257441184. Its totient is φ = 120699936.

The previous prime is 180222233. The next prime is 180222247. The reversal of 180222245 is 542222081.

It is not a de Polignac number, because 180222245 - 2¹⁰ = 180221221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180222247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1982 + ... + 19088.

It is an arithmetic number, because the mean of its divisors is an integer number (10726716).

Almost surely, 2^180222245 is an apocalyptic number.

It is an amenable number.

180222245 is a deficient number, since it is larger than the sum of its proper divisors (77218939).

180222245 is a wasteful number, since it uses less digits than its factorization.

180222245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17169 (or 17162 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 26.

The square root of 180222245 is about 13424.6878920890. The cubic root of 180222245 is about 564.8539001468.

The spelling of 180222245 in words is "one hundred eighty million, two hundred twenty-two thousand, two hundred forty-five".