22312132202 has 4 divisors (see below), whose sum is σ = 33468198306. Its totient is φ = 11156066100.

The previous prime is 22312132189. The next prime is 22312132267. The reversal of 22312132202 is 20223121322.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20223121322 = 2 ⋅10111560661.

It can be written as a sum of positive squares in only one way, i.e., 12631736881 + 9680395321 = 112391^2 + 98389^2 .

It is a super-3 number, since 3×22312132202³ (a number of 32 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5578033049 + ... + 5578033052.

Almost surely, 2^22312132202 is an apocalyptic number.

22312132202 is a deficient number, since it is larger than the sum of its proper divisors (11156066104).

22312132202 is a wasteful number, since it uses less digits than its factorization.

22312132202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11156066103.

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 22312132202 its reverse (20223121322), we get a palindrome (42535253524).

The spelling of 22312132202 in words is "twenty-two billion, three hundred twelve million, one hundred thirty-two thousand, two hundred two".