224444121 has 16 divisors (see below), whose sum is σ = 330939840. Its totient is φ = 134161920.

The previous prime is 224444117. The next prime is 224444141. The reversal of 224444121 is 121444422.

It is not a de Polignac number, because 224444121 - 2² = 224444117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 224444091 and 224444100.

It is not an unprimeable number, because it can be changed into a prime (224444141) 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, 44176 + ... + 48993.

It is an arithmetic number, because the mean of its divisors is an integer number (20683740).

Almost surely, 2^224444121 is an apocalyptic number.

It is an amenable number.

224444121 is a deficient number, since it is larger than the sum of its proper divisors (106495719).

224444121 is a wasteful number, since it uses less digits than its factorization.

224444121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93256.

The product of its digits is 2048, while the sum is 24.

The square root of 224444121 is about 14981.4592413423. The cubic root of 224444121 is about 607.7189022979.

Adding to 224444121 its reverse (121444422), we get a palindrome (345888543).

It can be divided in two parts, 22444 and 4121, that added together give a triangular number (26565 = T₂₃₀).

The spelling of 224444121 in words is "two hundred twenty-four million, four hundred forty-four thousand, one hundred twenty-one".