225898206428 has 6 divisors (see below), whose sum is σ = 395321861256. Its totient is φ = 112949103212.

The previous prime is 225898206397. The next prime is 225898206431. The reversal of 225898206428 is 824602898522.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28237275800 + ... + 28237275807.

It is an arithmetic number, because the mean of its divisors is an integer number (65886976876).

Almost surely, 2^225898206428 is an apocalyptic number.

It is an amenable number.

225898206428 is a deficient number, since it is larger than the sum of its proper divisors (169423654828).

225898206428 is a wasteful number, since it uses less digits than its factorization.

225898206428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56474551611 (or 56474551609 counting only the distinct ones).

The product of its (nonzero) digits is 8847360, while the sum is 56.

The spelling of 225898206428 in words is "two hundred twenty-five billion, eight hundred ninety-eight million, two hundred six thousand, four hundred twenty-eight".