224031321425 has 12 divisors (see below), whose sum is σ = 294139947276. Its totient is φ = 168682406400.

The previous prime is 224031321377. The next prime is 224031321443. The reversal of 224031321425 is 524123130422.

It can be written as a sum of positive squares in 6 ways, for example, as 802475584 + 223228845841 = 28328^2 + 472471^2 .

It is not a de Polignac number, because 224031321425 - 2⁸ = 224031321169 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 263565836 + ... + 263566685.

It is an arithmetic number, because the mean of its divisors is an integer number (24511662273).

Almost surely, 2^224031321425 is an apocalyptic number.

224031321425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

224031321425 is a deficient number, since it is larger than the sum of its proper divisors (70108625851).

224031321425 is a wasteful number, since it uses less digits than its factorization.

224031321425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527132548 (or 527132543 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 224031321425 its reverse (524123130422), we get a palindrome (748154451847).

The spelling of 224031321425 in words is "two hundred twenty-four billion, thirty-one million, three hundred twenty-one thousand, four hundred twenty-five".