522941021 has 8 divisors (see below), whose sum is σ = 543406080. Its totient is φ = 502638192.

The previous prime is 522941011. The next prime is 522941039. The reversal of 522941021 is 120149225.

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 522941021 - 2¹⁰ = 522939997 is a prime.

It is a super-2 number, since 2×522941021² = 546934622889044882, 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 (522941011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33965 + ... + 46898.

It is an arithmetic number, because the mean of its divisors is an integer number (67925760).

Almost surely, 2^522941021 is an apocalyptic number.

It is an amenable number.

522941021 is a deficient number, since it is larger than the sum of its proper divisors (20465059).

522941021 is a wasteful number, since it uses less digits than its factorization.

522941021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81115.

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 522941021 is about 22867.9037299006. The cubic root of 522941021 is about 805.6583331649.

The spelling of 522941021 in words is "five hundred twenty-two million, nine hundred forty-one thousand, twenty-one".