3523222404 has 72 divisors (see below), whose sum is σ = 9607422552. Its totient is φ = 1082211840.

The previous prime is 3523222397. The next prime is 3523222489. The reversal of 3523222404 is 4042223253.

It is a happy number.

3523222404 is a `hidden beast` number, since 3 + 5 + 232 + 22 + 404 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 6969600 + 3516252804 = 2640^2 + 59298^2 .

It is a super-2 number, since 2×3523222404² = 24826192216095078432, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 280744 + ... + 293024.

Almost surely, 2^3523222404 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3523222404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4803711276).

3523222404 is an abundant number, since it is smaller than the sum of its proper divisors (6084200148).

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

3523222404 is a wasteful number, since it uses less digits than its factorization.

3523222404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12917 (or 12912 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

The square root of 3523222404 is about 59356.7384885659. The cubic root of 3523222404 is about 1521.6450339861.

Adding to 3523222404 its reverse (4042223253), we get a palindrome (7565445657).

The spelling of 3523222404 in words is "three billion, five hundred twenty-three million, two hundred twenty-two thousand, four hundred four".