224020401 has 16 divisors (see below), whose sum is σ = 326104320. Its totient is φ = 135663120.

The previous prime is 224020361. The next prime is 224020409. The reversal of 224020401 is 104020422.

It is not a de Polignac number, because 224020401 - 2¹³ = 224012209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (224020409) 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, 67110 + ... + 70368.

It is an arithmetic number, because the mean of its divisors is an integer number (20381520).

Almost surely, 2^224020401 is an apocalyptic number.

It is an amenable number.

224020401 is a deficient number, since it is larger than the sum of its proper divisors (102083919).

224020401 is a wasteful number, since it uses less digits than its factorization.

224020401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5356.

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 224020401 is about 14967.3110811528. The cubic root of 224020401 is about 607.3362311522.

Adding to 224020401 its reverse (104020422), we get a palindrome (328040823).

The spelling of 224020401 in words is "two hundred twenty-four million, twenty thousand, four hundred one".