522086994 has 192 divisors, whose sum is σ = 1401079680. Its totient is φ = 138378240.

The previous prime is 522086987. The next prime is 522087011. The reversal of 522086994 is 499680225.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5866102 + ... + 5866190.

It is an arithmetic number, because the mean of its divisors is an integer number (7297290).

Almost surely, 2^522086994 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 522086994, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (700539840).

522086994 is an abundant number, since it is smaller than the sum of its proper divisors (878992686).

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

522086994 is a wasteful number, since it uses less digits than its factorization.

522086994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217 (or 214 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 522086994 is about 22849.2230502483. The cubic root of 522086994 is about 805.2195144831.

The spelling of 522086994 in words is "five hundred twenty-two million, eighty-six thousand, nine hundred ninety-four".