224420133 has 32 divisors (see below), whose sum is σ = 352620544. Its totient is φ = 124276032.

The previous prime is 224420117. The next prime is 224420143. The reversal of 224420133 is 331024422.

It is not a de Polignac number, because 224420133 - 2⁴ = 224420117 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

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 (224420143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 284766 + ... + 285552.

It is an arithmetic number, because the mean of its divisors is an integer number (11019392).

Almost surely, 2^224420133 is an apocalyptic number.

It is an amenable number.

224420133 is a deficient number, since it is larger than the sum of its proper divisors (128200411).

224420133 is a wasteful number, since it uses less digits than its factorization.

224420133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1201.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 224420133 is about 14980.6586303807. The cubic root of 224420133 is about 607.6972510582.

Adding to 224420133 its reverse (331024422), we get a palindrome (555444555).

The spelling of 224420133 in words is "two hundred twenty-four million, four hundred twenty thousand, one hundred thirty-three".