226472844 has 72 divisors (see below), whose sum is σ = 605964240. Its totient is φ = 65574912.

The previous prime is 226472833. The next prime is 226472863. The reversal of 226472844 is 448274622.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31192 + ... + 37760.

It is an arithmetic number, because the mean of its divisors is an integer number (8416170).

Almost surely, 2^226472844 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 226472844, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (302982120).

226472844 is an abundant number, since it is smaller than the sum of its proper divisors (379491396).

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

226472844 is a wasteful number, since it uses less digits than its factorization.

226472844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6619 (or 6604 counting only the distinct ones).

The product of its digits is 172032, while the sum is 39.

The square root of 226472844 is about 15049.0147185788. The cubic root of 226472844 is about 609.5444453234.

The spelling of 226472844 in words is "two hundred twenty-six million, four hundred seventy-two thousand, eight hundred forty-four".