22002112 has 28 divisors (see below), whose sum is σ = 47631096. Its totient is φ = 10000640.

The previous prime is 22002107. The next prime is 22002121. The reversal of 22002112 is 21120022.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14923 + ... + 16330.

Almost surely, 2^22002112 is an apocalyptic number.

22002112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22002112 is an abundant number, since it is smaller than the sum of its proper divisors (25628984).

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

22002112 is a wasteful number, since it uses less digits than its factorization.

22002112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31276 (or 31266 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 22002112 is about 4690.6408943768. The cubic root of 22002112 is about 280.2128993045.

Adding to 22002112 its reverse (21120022), we get a palindrome (43122134).

The spelling of 22002112 in words is "twenty-two million, two thousand, one hundred twelve".