522426648 has 32 divisors (see below), whose sum is σ = 1351105200. Its totient is φ = 168137088.

The previous prime is 522426613. The next prime is 522426649. The reversal of 522426648 is 846624225.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (522426649) 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, 374611 + ... + 376002.

Almost surely, 2^522426648 is an apocalyptic number.

522426648 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

522426648 is an abundant number, since it is smaller than the sum of its proper divisors (828678552).

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

522426648 is a wasteful number, since it uses less digits than its factorization.

522426648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 750651 (or 750647 counting only the distinct ones).

The product of its digits is 184320, while the sum is 39.

The square root of 522426648 is about 22856.6543483512. The cubic root of 522426648 is about 805.3940937800.

The spelling of 522426648 in words is "five hundred twenty-two million, four hundred twenty-six thousand, six hundred forty-eight".