224220554 has 8 divisors (see below), whose sum is σ = 344534148. Its totient is φ = 109375840.

The previous prime is 224220553. The next prime is 224220571. The reversal of 224220554 is 455022422.

It can be written as a sum of positive squares in 2 ways, for example, as 144600625 + 79619929 = 12025^2 + 8923^2 .

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

It is not an unprimeable number, because it can be changed into a prime (224220553) 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, 1367117 + ... + 1367280.

Almost surely, 2^224220554 is an apocalyptic number.

224220554 is a deficient number, since it is larger than the sum of its proper divisors (120313594).

224220554 is a wasteful number, since it uses less digits than its factorization.

224220554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2734440.

The product of its (nonzero) digits is 6400, while the sum is 26.

The square root of 224220554 is about 14973.9959262717. The cubic root of 224220554 is about 607.5170539450.

Adding to 224220554 its reverse (455022422), we get a palindrome (679242976).

The spelling of 224220554 in words is "two hundred twenty-four million, two hundred twenty thousand, five hundred fifty-four".