224642418 has 128 divisors (see below), whose sum is σ = 610412544. Its totient is φ = 53222400.

The previous prime is 224642417. The next prime is 224642423. The reversal of 224642418 is 814246422.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (224642413) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 678513 + ... + 678843.

It is an arithmetic number, because the mean of its divisors is an integer number (4768848).

Almost surely, 2^224642418 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 224642418, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (305206272).

224642418 is an abundant number, since it is smaller than the sum of its proper divisors (385770126).

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

224642418 is a wasteful number, since it uses less digits than its factorization.

224642418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480.

The product of its digits is 24576, while the sum is 33.

The square root of 224642418 is about 14988.0758604966. The cubic root of 224642418 is about 607.8978233913.

The spelling of 224642418 in words is "two hundred twenty-four million, six hundred forty-two thousand, four hundred eighteen".