19226480 has 160 divisors (see below), whose sum is σ = 58329600. Its totient is φ = 5723136.

The previous prime is 19226453. The next prime is 19226483. The reversal of 19226480 is 8462291.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19226483) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 138251 + ... + 138389.

It is an arithmetic number, because the mean of its divisors is an integer number (364560).

Almost surely, 2^19226480 is an apocalyptic number.

19226480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19226480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29164800).

19226480 is an abundant number, since it is smaller than the sum of its proper divisors (39103120).

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

19226480 is a wasteful number, since it uses less digits than its factorization.

19226480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191 (or 185 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 19226480 is about 4384.8010217112. The cubic root of 19226480 is about 267.8962247652.

The spelling of 19226480 in words is "nineteen million, two hundred twenty-six thousand, four hundred eighty".