22310023212 has 48 divisors (see below), whose sum is σ = 60885059200. Its totient is φ = 7045269840.

The previous prime is 22310023133. The next prime is 22310023213. The reversal of 22310023212 is 21232001322.

It is a super-3 number, since 3×22310023212³ (a number of 32 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (22310023213) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 5434114 + ... + 5438217.

Almost surely, 2^22310023212 is an apocalyptic number.

It is an amenable number.

22310023212 is an abundant number, since it is smaller than the sum of its proper divisors (38575035988).

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

22310023212 is a wasteful number, since it uses less digits than its factorization.

22310023212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10872363 (or 10872355 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 22310023212 its reverse (21232001322), we get a palindrome (43542024534).

The spelling of 22310023212 in words is "twenty-two billion, three hundred ten million, twenty-three thousand, two hundred twelve".