224215455 has 16 divisors (see below), whose sum is σ = 362299104. Its totient is φ = 118396800.

The previous prime is 224215451. The next prime is 224215463. The reversal of 224215455 is 554512422.

It is not a de Polignac number, because 224215455 - 2² = 224215451 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224215451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72484 + ... + 75513.

It is an arithmetic number, because the mean of its divisors is an integer number (22643694).

Almost surely, 2^224215455 is an apocalyptic number.

224215455 is a deficient number, since it is larger than the sum of its proper divisors (138083649).

224215455 is a wasteful number, since it uses less digits than its factorization.

224215455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148106.

The product of its digits is 16000, while the sum is 30.

The square root of 224215455 is about 14973.8256634702. The cubic root of 224215455 is about 607.5124487280.

Adding to 224215455 its reverse (554512422), we get a palindrome (778727877).

The spelling of 224215455 in words is "two hundred twenty-four million, two hundred fifteen thousand, four hundred fifty-five".