521150422 has 32 divisors (see below), whose sum is σ = 893410560. Its totient is φ = 226158240.

The previous prime is 521150417. The next prime is 521150477. The reversal of 521150422 is 224051125.

It is a junction number, because it is equal to n+sod(n) for n = 521150393 and 521150402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27897 + ... + 42667.

It is an arithmetic number, because the mean of its divisors is an integer number (27919080).

Almost surely, 2^521150422 is an apocalyptic number.

521150422 is a deficient number, since it is larger than the sum of its proper divisors (372260138).

521150422 is a wasteful number, since it uses less digits than its factorization.

521150422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14868.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 521150422 is about 22828.7192369611. The cubic root of 521150422 is about 804.7377317764.

The spelling of 521150422 in words is "five hundred twenty-one million, one hundred fifty thousand, four hundred twenty-two".