224618472 has 48 divisors (see below), whose sum is σ = 655139940. Its totient is φ = 69113088.

The previous prime is 224618447. The next prime is 224618473. The reversal of 224618472 is 274816422.

It can be written as a sum of positive squares in 2 ways, for example, as 217680516 + 6937956 = 14754^2 + 2634^2 .

It is a super-2 number, since 2×224618472² = 100906915927229568, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (224618473) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 119053 + ... + 120924.

Almost surely, 2^224618472 is an apocalyptic number.

It is an amenable number.

224618472 is an abundant number, since it is smaller than the sum of its proper divisors (430521468).

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

224618472 is a wasteful number, since it uses less digits than its factorization.

224618472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240002 (or 239995 counting only the distinct ones).

The product of its digits is 43008, while the sum is 36.

The square root of 224618472 is about 14987.2770041792. The cubic root of 224618472 is about 607.8762227832.

The spelling of 224618472 in words is "two hundred twenty-four million, six hundred eighteen thousand, four hundred seventy-two".