224338940 has 48 divisors (see below), whose sum is σ = 555792384. Its totient is φ = 74433600.

The previous prime is 224338937. The next prime is 224338951. The reversal of 224338940 is 49833422.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 224338940.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21506 + ... + 30185.

It is an arithmetic number, because the mean of its divisors is an integer number (11579008).

Almost surely, 2^224338940 is an apocalyptic number.

224338940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

224338940 is an abundant number, since it is smaller than the sum of its proper divisors (331453444).

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

224338940 is a wasteful number, since it uses less digits than its factorization.

224338940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51738 (or 51736 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 35.

The square root of 224338940 is about 14977.9484576493. The cubic root of 224338940 is about 607.6239559193.

The spelling of 224338940 in words is "two hundred twenty-four million, three hundred thirty-eight thousand, nine hundred forty".