19922212 has 12 divisors (see below), whose sum is σ = 35988736. Its totient is φ = 9639720.

The previous prime is 19922197. The next prime is 19922233. The reversal of 19922212 is 21222991.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80208 + ... + 80455.

Almost surely, 2^19922212 is an apocalyptic number.

It is an amenable number.

19922212 is a deficient number, since it is larger than the sum of its proper divisors (16066524).

19922212 is a wasteful number, since it uses less digits than its factorization.

19922212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160698 (or 160696 counting only the distinct ones).

The product of its digits is 1296, while the sum is 28.

The square root of 19922212 is about 4463.4305192307. The cubic root of 19922212 is about 271.0893892288.

The spelling of 19922212 in words is "nineteen million, nine hundred twenty-two thousand, two hundred twelve".