224349228 has 36 divisors (see below), whose sum is σ = 569237760. Its totient is φ = 74501856.

The previous prime is 224349227. The next prime is 224349233. The reversal of 224349228 is 822943422.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×224349228² = 100665152208391968, which contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 224349192 and 224349201.

It is not an unprimeable number, because it can be changed into a prime (224349227) 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, 1900 + ... + 21267.

It is an arithmetic number, because the mean of its divisors is an integer number (15812160).

Almost surely, 2^224349228 is an apocalyptic number.

It is an amenable number.

224349228 is an abundant number, since it is smaller than the sum of its proper divisors (344888532).

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

224349228 is a wasteful number, since it uses less digits than its factorization.

224349228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23446 (or 23441 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The square root of 224349228 is about 14978.2918919348. The cubic root of 224349228 is about 607.6332441563.

The spelling of 224349228 in words is "two hundred twenty-four million, three hundred forty-nine thousand, two hundred twenty-eight".