224691472 has 40 divisors (see below), whose sum is σ = 450725120. Its totient is φ = 108397440.

The previous prime is 224691463. The next prime is 224691517. The reversal of 224691472 is 274196422.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 303679 + ... + 304417.

It is an arithmetic number, because the mean of its divisors is an integer number (11268128).

Almost surely, 2^224691472 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 224691472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (225362560).

224691472 is an abundant number, since it is smaller than the sum of its proper divisors (226033648).

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

224691472 is a wasteful number, since it uses less digits than its factorization.

224691472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1391 (or 1385 counting only the distinct ones).

The product of its digits is 48384, while the sum is 37.

The square root of 224691472 is about 14989.7122053761. The cubic root of 224691472 is about 607.9420680029.

The spelling of 224691472 in words is "two hundred twenty-four million, six hundred ninety-one thousand, four hundred seventy-two".