3504351222 has 128 divisors (see below), whose sum is σ = 8370086400. Its totient is φ = 1083621888.

The previous prime is 3504351209. The next prime is 3504351233. The reversal of 3504351222 is 2221534053.

It is a happy number.

3504351222 is a `hidden beast` number, since 3 + 5 + 0 + 435 + 1 + 222 = 666.

3504351222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 15040018 + ... + 15040250.

It is an arithmetic number, because the mean of its divisors is an integer number (65391300).

Almost surely, 2^3504351222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3504351222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4185043200).

3504351222 is an abundant number, since it is smaller than the sum of its proper divisors (4865735178).

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

3504351222 is a wasteful number, since it uses less digits than its factorization.

3504351222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507 (or 501 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 3504351222 is about 59197.5609463768. The cubic root of 3504351222 is about 1518.9234097986.

Adding to 3504351222 its reverse (2221534053), we get a palindrome (5725885275).

The spelling of 3504351222 in words is "three billion, five hundred four million, three hundred fifty-one thousand, two hundred twenty-two".