522695146 has 4 divisors (see below), whose sum is σ = 784042722. Its totient is φ = 261347572.

The previous prime is 522695093. The next prime is 522695167. The reversal of 522695146 is 641596225.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 461777121 + 60918025 = 21489^2 + 7805^2 .

It is a super-2 number, since 2×522695146² = 546420431303922632, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 522695099 and 522695108.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130673785 + ... + 130673788.

Almost surely, 2^522695146 is an apocalyptic number.

522695146 is a deficient number, since it is larger than the sum of its proper divisors (261347576).

522695146 is a wasteful number, since it uses less digits than its factorization.

522695146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261347575.

The product of its digits is 129600, while the sum is 40.

The square root of 522695146 is about 22862.5271131605. The cubic root of 522695146 is about 805.5320459490.

The spelling of 522695146 in words is "five hundred twenty-two million, six hundred ninety-five thousand, one hundred forty-six".