3522722520 has 64 divisors (see below), whose sum is σ = 10695525120. Its totient is φ = 928072064.

The previous prime is 3522722513. The next prime is 3522722537. The reversal of 3522722520 is 252272253.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166884 + ... + 186803.

It is an arithmetic number, because the mean of its divisors is an integer number (167117580).

Almost surely, 2^3522722520 is an apocalyptic number.

3522722520 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3522722520 is an abundant number, since it is smaller than the sum of its proper divisors (7172802600).

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

3522722520 is a wasteful number, since it uses less digits than its factorization.

3522722520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353784 (or 353780 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 30.

The square root of 3522722520 is about 59352.5274946232. The cubic root of 3522722520 is about 1521.5730655913.

Adding to 3522722520 its reverse (252272253), we get a palindrome (3774994773).

The spelling of 3522722520 in words is "three billion, five hundred twenty-two million, seven hundred twenty-two thousand, five hundred twenty".