224221043 has 4 divisors (see below), whose sum is σ = 233969808. Its totient is φ = 214472280.

The previous prime is 224221037. The next prime is 224221051. The reversal of 224221043 is 340122422.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 224221043 - 2⁶ = 224220979 is a prime.

It is a super-2 number, since 2×224221043² = 100550152248015698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (224221003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4874348 + ... + 4874393.

It is an arithmetic number, because the mean of its divisors is an integer number (58492452).

Almost surely, 2^224221043 is an apocalyptic number.

224221043 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

224221043 is a deficient number, since it is larger than the sum of its proper divisors (9748765).

224221043 is an equidigital number, since it uses as much as digits as its factorization.

224221043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9748764.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 224221043 is about 14974.0122545696. The cubic root of 224221043 is about 607.5174955870.

Adding to 224221043 its reverse (340122422), we get a palindrome (564343465).

The spelling of 224221043 in words is "two hundred twenty-four million, two hundred twenty-one thousand, forty-three".