22002192 has 60 divisors (see below), whose sum is σ = 63867440. Its totient is φ = 7332768.

The previous prime is 22002187. The next prime is 22002203. The reversal of 22002192 is 29120022.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1059 + ... + 6717.

Almost surely, 2^22002192 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22002192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31933720).

22002192 is an abundant number, since it is smaller than the sum of its proper divisors (41865248).

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

22002192 is an equidigital number, since it uses as much as digits as its factorization.

22002192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5682 (or 5664 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 22002192 is about 4690.6494219884. The cubic root of 22002192 is about 280.2132389235.

The spelling of 22002192 in words is "twenty-two million, two thousand, one hundred ninety-two".