20222112 has 48 divisors (see below), whose sum is σ = 56210112. Its totient is φ = 6343680.

The previous prime is 20222101. The next prime is 20222113. The reversal of 20222112 is 21122202.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (20222113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4564 + ... + 7827.

It is an arithmetic number, because the mean of its divisors is an integer number (1171044).

Almost surely, 2^20222112 is an apocalyptic number.

It is an amenable number.

20222112 is an abundant number, since it is smaller than the sum of its proper divisors (35988000).

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

20222112 is a wasteful number, since it uses less digits than its factorization.

20222112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12421 (or 12413 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 20222112 is about 4496.9002657386. The cubic root of 20222112 is about 272.4429058625.

Adding to 20222112 its reverse (21122202), we get a palindrome (41344314).

The spelling of 20222112 in words is "twenty million, two hundred twenty-two thousand, one hundred twelve".