522236490 has 16 divisors (see below), whose sum is σ = 1253367648. Its totient is φ = 139263056.

The previous prime is 522236467. The next prime is 522236501. The reversal of 522236490 is 94632225.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8703912 + ... + 8703971.

It is an arithmetic number, because the mean of its divisors is an integer number (78335478).

Almost surely, 2^522236490 is an apocalyptic number.

522236490 is an abundant number, since it is smaller than the sum of its proper divisors (731131158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

522236490 is a wasteful number, since it uses less digits than its factorization.

522236490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17407893.

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 522236490 is about 22852.4941745972. The cubic root of 522236490 is about 805.2963634949.

The spelling of 522236490 in words is "five hundred twenty-two million, two hundred thirty-six thousand, four hundred ninety".