3522122520 has 128 divisors (see below), whose sum is σ = 12096483840. Its totient is φ = 803681280.

The previous prime is 3522122497. The next prime is 3522122521. The reversal of 3522122520 is 252212253.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3522122521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 536860 + ... + 543380.

It is an arithmetic number, because the mean of its divisors is an integer number (94503780).

Almost surely, 2^3522122520 is an apocalyptic number.

3522122520 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3522122520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6048241920).

3522122520 is an abundant number, since it is smaller than the sum of its proper divisors (8574361320).

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

3522122520 is a wasteful number, since it uses less digits than its factorization.

3522122520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7185 (or 7181 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 3522122520 is about 59347.4727347340. The cubic root of 3522122520 is about 1521.4866744860.

Adding to 3522122520 its reverse (252212253), we get a palindrome (3774334773).

The spelling of 3522122520 in words is "three billion, five hundred twenty-two million, one hundred twenty-two thousand, five hundred twenty".