522225155 has 8 divisors (see below), whose sum is σ = 634603200. Its totient is φ = 412491456.

The previous prime is 522225149. The next prime is 522225157. The reversal of 522225155 is 551522225.

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

It is a cyclic number.

It is not a de Polignac number, because 522225155 - 2⁴ = 522225139 is a prime.

It is a super-2 number, since 2×522225155² = 545438225029548050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (522225157) 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 7 ways as a sum of consecutive naturals, for example, 660650 + ... + 661439.

It is an arithmetic number, because the mean of its divisors is an integer number (79325400).

Almost surely, 2^522225155 is an apocalyptic number.

522225155 is a deficient number, since it is larger than the sum of its proper divisors (112378045).

522225155 is a wasteful number, since it uses less digits than its factorization.

522225155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1322173.

The product of its digits is 10000, while the sum is 29.

The square root of 522225155 is about 22852.2461696876. The cubic root of 522225155 is about 805.2905372071.

The spelling of 522225155 in words is "five hundred twenty-two million, two hundred twenty-five thousand, one hundred fifty-five".