522074149 has 4 divisors (see below), whose sum is σ = 522135180. Its totient is φ = 522013120.

The previous prime is 522074129. The next prime is 522074159. The reversal of 522074149 is 941470225.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 287065249 + 235008900 = 16943^2 + 15330^2 .

It is a cyclic number.

It is not a de Polignac number, because 522074149 - 2¹⁷ = 521943077 is a prime.

It is a super-2 number, since 2×522074149² = 545122834108148402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522074129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15082 + ... + 35659.

It is an arithmetic number, because the mean of its divisors is an integer number (130533795).

Almost surely, 2^522074149 is an apocalyptic number.

It is an amenable number.

522074149 is a deficient number, since it is larger than the sum of its proper divisors (61031).

522074149 is a wasteful number, since it uses less digits than its factorization.

522074149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61030.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 522074149 is about 22848.9419667520. The cubic root of 522074149 is about 805.2129107756.

The spelling of 522074149 in words is "five hundred twenty-two million, seventy-four thousand, one hundred forty-nine".