4201604522 has 16 divisors (see below), whose sum is σ = 6337305000. Its totient is φ = 2089191360.

The previous prime is 4201604513. The next prime is 4201604551. The reversal of 4201604522 is 2254061024.

It can be written as a sum of positive squares in 4 ways, for example, as 3902625841 + 298978681 = 62471^2 + 17291^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4201604491 and 4201604500.

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, 426104 + ... + 435852.

Almost surely, 2^4201604522 is an apocalyptic number.

4201604522 is a deficient number, since it is larger than the sum of its proper divisors (2135700478).

4201604522 is a wasteful number, since it uses less digits than its factorization.

4201604522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10921.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 4201604522 is about 64819.7849579895. The cubic root of 4201604522 is about 1613.6340787360.

Adding to 4201604522 its reverse (2254061024), we get a palindrome (6455665546).

The spelling of 4201604522 in words is "four billion, two hundred one million, six hundred four thousand, five hundred twenty-two".