224221045 has 8 divisors (see below), whose sum is σ = 269248896. Its totient is φ = 179254416.

The previous prime is 224221037. The next prime is 224221051. The reversal of 224221045 is 540122422.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 224221045 - 2³ = 224221037 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 6817 + ... + 22246.

It is an arithmetic number, because the mean of its divisors is an integer number (33656112).

Almost surely, 2^224221045 is an apocalyptic number.

It is an amenable number.

224221045 is a deficient number, since it is larger than the sum of its proper divisors (45027851).

224221045 is a wasteful number, since it uses less digits than its factorization.

224221045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30611.

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 224221045 is about 14974.0123213519. The cubic root of 224221045 is about 607.5174973933.

Adding to 224221045 its reverse (540122422), we get a palindrome (764343467).

The spelling of 224221045 in words is "two hundred twenty-four million, two hundred twenty-one thousand, forty-five".