404521122115522 has 4 divisors (see below), whose sum is σ = 606781683173286. Its totient is φ = 202260561057760.

The previous prime is 404521122115421. The next prime is 404521122115657. The reversal of 404521122115522 is 225511221125404.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 214407462590281 + 190113659525241 = 14642659^2 + 13788171^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101130280528879 + ... + 101130280528882.

Almost surely, 2^{404521122115522} is an apocalyptic number.

404521122115522 is a deficient number, since it is larger than the sum of its proper divisors (202260561057764).

404521122115522 is a wasteful number, since it uses less digits than its factorization.

404521122115522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202260561057763.

The product of its (nonzero) digits is 64000, while the sum is 37.

The spelling of 404521122115522 in words is "four hundred four trillion, five hundred twenty-one billion, one hundred twenty-two million, one hundred fifteen thousand, five hundred twenty-two".