19228000 has 192 divisors, whose sum is σ = 56609280. Its totient is φ = 6336000.

The previous prime is 19227991. The next prime is 19228021. The reversal of 19228000 is 82291.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a nialpdrome in base 11.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 835989 + ... + 836011.

It is an arithmetic number, because the mean of its divisors is an integer number (294840).

Almost surely, 2^19228000 is an apocalyptic number.

19228000 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 19228000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28304640).

19228000 is an abundant number, since it is smaller than the sum of its proper divisors (37381280).

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

19228000 is a wasteful number, since it uses less digits than its factorization.

19228000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78 (or 60 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 19228000 is about 4384.9743442807. The cubic root of 19228000 is about 267.9032843263.

The spelling of 19228000 in words is "nineteen million, two hundred twenty-eight thousand".