19228122 has 48 divisors (see below), whose sum is σ = 45556992. Its totient is φ = 5834880.

The previous prime is 19228117. The next prime is 19228141. The reversal of 19228122 is 22182291.

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 23 ways as a sum of consecutive naturals, for example, 8473 + ... + 10499.

It is an arithmetic number, because the mean of its divisors is an integer number (949104).

Almost surely, 2^19228122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19228122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22778496).

19228122 is an abundant number, since it is smaller than the sum of its proper divisors (26328870).

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

19228122 is a wasteful number, since it uses less digits than its factorization.

19228122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2083 (or 2080 counting only the distinct ones).

The product of its digits is 1152, while the sum is 27.

The square root of 19228122 is about 4384.9882554005. The cubic root of 19228122 is about 267.9038509328.

The spelling of 19228122 in words is "nineteen million, two hundred twenty-eight thousand, one hundred twenty-two".