22001302212 has 24 divisors (see below), whose sum is σ = 51339318912. Its totient is φ = 7333346400.

The previous prime is 22001302153. The next prime is 22001302217. The reversal of 22001302212 is 21220310022.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22001302191 and 22001302200.

It is not an unprimeable number, because it can be changed into a prime (22001302217) 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 7 ways as a sum of consecutive naturals, for example, 222762 + ... + 305982.

It is an arithmetic number, because the mean of its divisors is an integer number (2139138288).

Almost surely, 2^22001302212 is an apocalyptic number.

It is an amenable number.

22001302212 is an abundant number, since it is smaller than the sum of its proper divisors (29338016700).

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

22001302212 is a wasteful number, since it uses less digits than its factorization.

22001302212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105259 (or 105257 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 22001302212 its reverse (21220310022), we get a palindrome (43221612234).

The spelling of 22001302212 in words is "twenty-two billion, one million, three hundred two thousand, two hundred twelve".