52222311512 has 32 divisors (see below), whose sum is σ = 112006540800. Its totient is φ = 22360673184.

The previous prime is 52222311511. The next prime is 52222311529. The reversal of 52222311512 is 21511322225.

It is a happy number.

It is a super-2 number, since 2×52222311512² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52222311511) 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, 360962 + ... + 484497.

It is an arithmetic number, because the mean of its divisors is an integer number (3500204400).

Almost surely, 2^52222311512 is an apocalyptic number.

It is an amenable number.

52222311512 is an abundant number, since it is smaller than the sum of its proper divisors (59784229288).

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

52222311512 is a wasteful number, since it uses less digits than its factorization.

52222311512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 846575 (or 846571 counting only the distinct ones).

The product of its digits is 2400, while the sum is 26.

Adding to 52222311512 its reverse (21511322225), we get a palindrome (73733633737).

The spelling of 52222311512 in words is "fifty-two billion, two hundred twenty-two million, three hundred eleven thousand, five hundred twelve".