22312203132 has 12 divisors (see below), whose sum is σ = 52061807336. Its totient is φ = 7437401040.

The previous prime is 22312203107. The next prime is 22312203143. The reversal of 22312203132 is 23130221322.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×22312203132³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22312203099 and 22312203108.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 929675119 + ... + 929675142.

Almost surely, 2^22312203132 is an apocalyptic number.

It is an amenable number.

22312203132 is an abundant number, since it is smaller than the sum of its proper divisors (29749604204).

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

22312203132 is a wasteful number, since it uses less digits than its factorization.

22312203132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1859350268 (or 1859350266 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 22312203132 its reverse (23130221322), we get a palindrome (45442424454).

The spelling of 22312203132 in words is "twenty-two billion, three hundred twelve million, two hundred three thousand, one hundred thirty-two".