522620452 has 24 divisors (see below), whose sum is σ = 936936000. Its totient is φ = 254938656.

The previous prime is 522620437. The next prime is 522620491. The reversal of 522620452 is 254026225.

It is a super-3 number, since 3×522620452³ (a number of 27 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 522620452.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 267174 + ... + 269122.

It is an arithmetic number, because the mean of its divisors is an integer number (39039000).

Almost surely, 2^522620452 is an apocalyptic number.

It is an amenable number.

522620452 is a deficient number, since it is larger than the sum of its proper divisors (414315548).

522620452 is a wasteful number, since it uses less digits than its factorization.

522620452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3555 (or 3553 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 522620452 is about 22860.8935083474. The cubic root of 522620452 is about 805.4936735010.

Adding to 522620452 its reverse (254026225), we get a palindrome (776646677).

The spelling of 522620452 in words is "five hundred twenty-two million, six hundred twenty thousand, four hundred fifty-two".