400224225403 has 2 divisors, whose sum is σ = 400224225404. Its totient is φ = 400224225402.

The previous prime is 400224225337. The next prime is 400224225421. The reversal of 400224225403 is 304522422004.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-400224225403 is a prime.

It is not a weakly prime, because it can be changed into another prime (400224225433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200112112701 + 200112112702.

It is an arithmetic number, because the mean of its divisors is an integer number (200112112702).

Almost surely, 2^400224225403 is an apocalyptic number.

400224225403 is a deficient number, since it is larger than the sum of its proper divisors (1).

400224225403 is an equidigital number, since it uses as much as digits as its factorization.

400224225403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15360, while the sum is 28.

Adding to 400224225403 its reverse (304522422004), we get a palindrome (704746647407).

The spelling of 400224225403 in words is "four hundred billion, two hundred twenty-four million, two hundred twenty-five thousand, four hundred three".