224021105 has 16 divisors (see below), whose sum is σ = 335159424. Its totient is φ = 139649280.

The previous prime is 224021101. The next prime is 224021123. The reversal of 224021105 is 501120422.

224021105 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 224021105 - 2² = 224021101 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (224021101) 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, 290552 + ... + 291321.

It is an arithmetic number, because the mean of its divisors is an integer number (20947464).

Almost surely, 2^224021105 is an apocalyptic number.

It is an amenable number.

224021105 is a deficient number, since it is larger than the sum of its proper divisors (111138319).

224021105 is a wasteful number, since it uses less digits than its factorization.

224021105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581896.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 224021105 is about 14967.3345990527. The cubic root of 224021105 is about 607.3368673506.

Adding to 224021105 its reverse (501120422), we get a palindrome (725141527).

The spelling of 224021105 in words is "two hundred twenty-four million, twenty-one thousand, one hundred five".