224121053 has 4 divisors (see below), whose sum is σ = 241361148. Its totient is φ = 206880960.

The previous prime is 224121049. The next prime is 224121059. The reversal of 224121053 is 350121422.

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

It can be written as a sum of positive squares in 2 ways, for example, as 17825284 + 206295769 = 4222^2 + 14363^2 .

It is not a de Polignac number, because 224121053 - 2² = 224121049 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224121059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8620028 + ... + 8620053.

It is an arithmetic number, because the mean of its divisors is an integer number (60340287).

Almost surely, 2^224121053 is an apocalyptic number.

It is an amenable number.

224121053 is a deficient number, since it is larger than the sum of its proper divisors (17240095).

224121053 is a wasteful number, since it uses less digits than its factorization.

224121053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17240094.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 224121053 is about 14970.6730977602. The cubic root of 224121053 is about 607.4271759251.

Adding to 224121053 its reverse (350121422), we get a palindrome (574242475).

The spelling of 224121053 in words is "two hundred twenty-four million, one hundred twenty-one thousand, fifty-three".