522072000 has 224 divisors, whose sum is σ = 1916216640. Its totient is φ = 139161600.

The previous prime is 522071999. The next prime is 522072029. The reversal of 522072000 is 270225.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 214792 + ... + 217208.

Almost surely, 2^522072000 is an apocalyptic number.

522072000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 522072000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (958108320).

522072000 is an abundant number, since it is smaller than the sum of its proper divisors (1394144640).

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

522072000 is a wasteful number, since it uses less digits than its factorization.

522072000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2453 (or 2427 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 18.

The square root of 522072000 is about 22848.8949404561. The cubic root of 522072000 is about 805.2118059485.

The spelling of 522072000 in words is "five hundred twenty-two million, seventy-two thousand".