225005421202 has 16 divisors (see below), whose sum is σ = 347675011200. Its totient is φ = 109148869872.

The previous prime is 225005421167. The next prime is 225005421211. The reversal of 225005421202 is 202124500522.

It is a super-2 number, since 2×225005421202² (a number of 24 digits) contains 22 as substring.

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 in 7 ways as a sum of consecutive naturals, for example, 8766858 + ... + 8792485.

It is an arithmetic number, because the mean of its divisors is an integer number (21729688200).

Almost surely, 2^225005421202 is an apocalyptic number.

225005421202 is a deficient number, since it is larger than the sum of its proper divisors (122669589998).

225005421202 is a wasteful number, since it uses less digits than its factorization.

225005421202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17559537.

The product of its (nonzero) digits is 3200, while the sum is 25.

Adding to 225005421202 its reverse (202124500522), we get a palindrome (427129921724).

The spelling of 225005421202 in words is "two hundred twenty-five billion, five million, four hundred twenty-one thousand, two hundred two".