522648126 has 240 divisors, whose sum is σ = 1589730912. Its totient is φ = 124882560.

The previous prime is 522648103. The next prime is 522648149. The reversal of 522648126 is 621846225.

It is a happy number.

522648126 is a `hidden beast` number, since 5 + 2 + 2 + 648 + 1 + 2 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (522648103) and next prime (522648149).

It is a super-2 number, since 2×522648126² = 546322127222623752, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 1783636 + ... + 1783928.

Almost surely, 2^522648126 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 522648126, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (794865456).

522648126 is an abundant number, since it is smaller than the sum of its proper divisors (1067082786).

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

522648126 is a wasteful number, since it uses less digits than its factorization.

522648126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349 (or 329 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 522648126 is about 22861.4987697657. The cubic root of 522648126 is about 805.5078908541.

The spelling of 522648126 in words is "five hundred twenty-two million, six hundred forty-eight thousand, one hundred twenty-six".