1869427224 has 144 divisors (see below), whose sum is σ = 6079993920. Its totient is φ = 516862080.

The previous prime is 1869427201. The next prime is 1869427229. The reversal of 1869427224 is 4227249681.

1869427224 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 1869427224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1869427229) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 100822 + ... + 117914.

It is an arithmetic number, because the mean of its divisors is an integer number (42222180).

Almost surely, 2^1869427224 is an apocalyptic number.

1869427224 is a gapful number since it is divisible by the number (14) 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 1869427224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3039996960).

1869427224 is an abundant number, since it is smaller than the sum of its proper divisors (4210566696).

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

1869427224 is a wasteful number, since it uses less digits than its factorization.

1869427224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17150 (or 17136 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 1869427224 is about 43236.8734299787. The cubic root of 1869427224 is about 1231.8831672956.

The spelling of 1869427224 in words is "one billion, eight hundred sixty-nine million, four hundred twenty-seven thousand, two hundred twenty-four".