355644522 has 48 divisors (see below), whose sum is σ = 831322440. Its totient is φ = 109464576.

The previous prime is 355644521. The next prime is 355644563. The reversal of 355644522 is 225446553.

355644522 is a `hidden beast` number, since 3 + 5 + 5 + 644 + 5 + 2 + 2 = 666.

355644522 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 337420161 + 18224361 = 18369^2 + 4269^2 .

It is not an unprimeable number, because it can be changed into a prime (355644521) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5254 + ... + 27182.

Almost surely, 2^355644522 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 355644522, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (415661220).

355644522 is an abundant number, since it is smaller than the sum of its proper divisors (475677918).

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

355644522 is a wasteful number, since it uses less digits than its factorization.

355644522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22007 (or 22004 counting only the distinct ones).

The product of its digits is 144000, while the sum is 36.

The square root of 355644522 is about 18858.5397631948. The cubic root of 355644522 is about 708.4981292907.

The spelling of 355644522 in words is "three hundred fifty-five million, six hundred forty-four thousand, five hundred twenty-two".