425224443 has 16 divisors (see below), whose sum is σ = 654379776. Its totient is φ = 240578400.

The previous prime is 425224441. The next prime is 425224447. The reversal of 425224443 is 344422524.

It is not a de Polignac number, because 425224443 - 2¹ = 425224441 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 425224443.

It is not an unprimeable number, because it can be changed into a prime (425224441) 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, 98121 + ... + 102362.

It is an arithmetic number, because the mean of its divisors is an integer number (40898736).

Almost surely, 2^425224443 is an apocalyptic number.

425224443 is a deficient number, since it is larger than the sum of its proper divisors (229155333).

425224443 is a wasteful number, since it uses less digits than its factorization.

425224443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200594.

The product of its digits is 30720, while the sum is 30.

The square root of 425224443 is about 20620.9709519217. The cubic root of 425224443 is about 751.9796252921.

Adding to 425224443 its reverse (344422524), we get a palindrome (769646967).

The spelling of 425224443 in words is "four hundred twenty-five million, two hundred twenty-four thousand, four hundred forty-three".