224003401 has 2 divisors, whose sum is σ = 224003402. Its totient is φ = 224003400.

The previous prime is 224003399. The next prime is 224003411. The reversal of 224003401 is 104300422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 132227001 + 91776400 = 11499^2 + 9580^2 .

It is a cyclic number.

It is not a de Polignac number, because 224003401 - 2¹ = 224003399 is a prime.

Together with 224003399, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (224003411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112001700 + 112001701.

It is an arithmetic number, because the mean of its divisors is an integer number (112001701).

Almost surely, 2^224003401 is an apocalyptic number.

It is an amenable number.

224003401 is a deficient number, since it is larger than the sum of its proper divisors (1).

224003401 is an equidigital number, since it uses as much as digits as its factorization.

224003401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 224003401 is about 14966.7431661000. The cubic root of 224003401 is about 607.3208680022.

Adding to 224003401 its reverse (104300422), we get a palindrome (328303823).

The spelling of 224003401 in words is "two hundred twenty-four million, three thousand, four hundred one".