22002212112 has 40 divisors (see below), whose sum is σ = 56892650304. Its totient is φ = 7327154304.

The previous prime is 22002212069. The next prime is 22002212129. The reversal of 22002212112 is 21121220022.

It is a junction number, because it is equal to n+sod(n) for n = 22002212091 and 22002212100.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164583 + ... + 266630.

Almost surely, 2^22002212112 is an apocalyptic number.

It is an amenable number.

22002212112 is an abundant number, since it is smaller than the sum of its proper divisors (34890438192).

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

22002212112 is a wasteful number, since it uses less digits than its factorization.

22002212112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432287 (or 432281 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 22002212112 its reverse (21121220022), we get a palindrome (43123432134).

The spelling of 22002212112 in words is "twenty-two billion, two million, two hundred twelve thousand, one hundred twelve".