19226898 has 48 divisors (see below), whose sum is σ = 46444320. Its totient is φ = 5712768.

The previous prime is 19226869. The next prime is 19226947. The reversal of 19226898 is 89862291.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4161 + ... + 7467.

It is an arithmetic number, because the mean of its divisors is an integer number (967590).

Almost surely, 2^19226898 is an apocalyptic number.

19226898 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 19226898, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23222160).

19226898 is an abundant number, since it is smaller than the sum of its proper divisors (27217422).

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

19226898 is a wasteful number, since it uses less digits than its factorization.

19226898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3351 (or 3348 counting only the distinct ones).

The product of its digits is 124416, while the sum is 45.

The square root of 19226898 is about 4384.8486861008. The cubic root of 19226898 is about 267.8981661816.

The spelling of 19226898 in words is "nineteen million, two hundred twenty-six thousand, eight hundred ninety-eight".