4522722520 has 32 divisors (see below), whose sum is σ = 10220583600. Its totient is φ = 1801185408.

The previous prime is 4522722493. The next prime is 4522722527. The reversal of 4522722520 is 252272254.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4522722527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 237714 + ... + 256033.

Almost surely, 2^4522722520 is an apocalyptic number.

4522722520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4522722520 is an abundant number, since it is smaller than the sum of its proper divisors (5697861080).

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

4522722520 is a wasteful number, since it uses less digits than its factorization.

4522722520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493987 (or 493983 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 31.

The square root of 4522722520 is about 67251.1897292531. The cubic root of 4522722520 is about 1653.7377791691.

Adding to 4522722520 its reverse (252272254), we get a palindrome (4774994774).

The spelling of 4522722520 in words is "four billion, five hundred twenty-two million, seven hundred twenty-two thousand, five hundred twenty".