22131332310 has 32 divisors (see below), whose sum is σ = 54946758240. Its totient is φ = 5698181888.

The previous prime is 22131332303. The next prime is 22131332323. The reversal of 22131332310 is 1323313122.

It is a super-2 number, since 2×22131332310² (a number of 21 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, 12718287 + ... + 12720026.

It is an arithmetic number, because the mean of its divisors is an integer number (1717086195).

Almost surely, 2^22131332310 is an apocalyptic number.

22131332310 is an abundant number, since it is smaller than the sum of its proper divisors (32815425930).

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

22131332310 is a wasteful number, since it uses less digits than its factorization.

22131332310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25438352.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 22131332310 its reverse (1323313122), we get a palindrome (23454645432).

The spelling of 22131332310 in words is "twenty-two billion, one hundred thirty-one million, three hundred thirty-two thousand, three hundred ten".