522156214 has 16 divisors (see below), whose sum is σ = 828377280. Its totient is φ = 246161160.

The previous prime is 522156211. The next prime is 522156227. The reversal of 522156214 is 412651225.

It is a super-2 number, since 2×522156214² = 545294223637627592, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522156211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24544 + ... + 40579.

It is an arithmetic number, because the mean of its divisors is an integer number (51773580).

Almost surely, 2^522156214 is an apocalyptic number.

522156214 is a deficient number, since it is larger than the sum of its proper divisors (306221066).

522156214 is a wasteful number, since it uses less digits than its factorization.

522156214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65355.

The product of its digits is 4800, while the sum is 28.

The square root of 522156214 is about 22850.7377123803. The cubic root of 522156214 is about 805.2550991222.

The spelling of 522156214 in words is "five hundred twenty-two million, one hundred fifty-six thousand, two hundred fourteen".