522228145 has 8 divisors (see below), whose sum is σ = 629297280. Its totient is φ = 416033520.

The previous prime is 522228097. The next prime is 522228197. The reversal of 522228145 is 541822225.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 522228145 - 2⁹ = 522227633 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217311 + ... + 219700.

It is an arithmetic number, because the mean of its divisors is an integer number (78662160).

Almost surely, 2^522228145 is an apocalyptic number.

It is an amenable number.

522228145 is a deficient number, since it is larger than the sum of its proper divisors (107069135).

522228145 is a wasteful number, since it uses less digits than its factorization.

522228145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437255.

The product of its digits is 12800, while the sum is 31.

The square root of 522228145 is about 22852.3115898589. The cubic root of 522228145 is about 805.2920741011.

The spelling of 522228145 in words is "five hundred twenty-two million, two hundred twenty-eight thousand, one hundred forty-five".