52212225144 has 64 divisors (see below), whose sum is σ = 131316192000. Its totient is φ = 17299537920.

The previous prime is 52212225101. The next prime is 52212225151. The reversal of 52212225144 is 44152221225.

It is a super-2 number, since 2×52212225144² (a number of 22 digits) contains 22 as substring.

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, 4242552 + ... + 4254840.

It is an arithmetic number, because the mean of its divisors is an integer number (2051815500).

Almost surely, 2^52212225144 is an apocalyptic number.

It is an amenable number.

52212225144 is an abundant number, since it is smaller than the sum of its proper divisors (79103966856).

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

52212225144 is a wasteful number, since it uses less digits than its factorization.

52212225144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13348 (or 13344 counting only the distinct ones).

The product of its digits is 12800, while the sum is 30.

Adding to 52212225144 its reverse (44152221225), we get a palindrome (96364446369).

The spelling of 52212225144 in words is "fifty-two billion, two hundred twelve million, two hundred twenty-five thousand, one hundred forty-four".