522828981 has 24 divisors (see below), whose sum is σ = 800643584. Its totient is φ = 328186080.

The previous prime is 522828973. The next prime is 522828983. The reversal of 522828981 is 189828225.

It is not a de Polignac number, because 522828981 - 2³ = 522828973 is a prime.

It is a super-2 number, since 2×522828981² = 546700286746996722, 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 (522828983) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15001 + ... + 35646.

Almost surely, 2^522828981 is an apocalyptic number.

It is an amenable number.

522828981 is a deficient number, since it is larger than the sum of its proper divisors (277814603).

522828981 is a wasteful number, since it uses less digits than its factorization.

522828981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50721 (or 50718 counting only the distinct ones).

The product of its digits is 184320, while the sum is 45.

The square root of 522828981 is about 22865.4538769734. The cubic root of 522828981 is about 805.6007916811.

The spelling of 522828981 in words is "five hundred twenty-two million, eight hundred twenty-eight thousand, nine hundred eighty-one".