52222370520 has 64 divisors (see below), whose sum is σ = 156856849920. Its totient is φ = 13909099904.

The previous prime is 52222370489. The next prime is 52222370531. The reversal of 52222370520 is 2507322225.

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, 163872 + ... + 362351.

It is an arithmetic number, because the mean of its divisors is an integer number (2450888280).

Almost surely, 2^52222370520 is an apocalyptic number.

It is an amenable number.

52222370520 is an abundant number, since it is smaller than the sum of its proper divisors (104634479400).

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

52222370520 is a wasteful number, since it uses less digits than its factorization.

52222370520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527064 (or 527060 counting only the distinct ones).

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

Adding to 52222370520 its reverse (2507322225), we get a palindrome (54729692745).

The spelling of 52222370520 in words is "fifty-two billion, two hundred twenty-two million, three hundred seventy thousand, five hundred twenty".