225065202402 has 32 divisors (see below), whose sum is σ = 460801131840. Its totient is φ = 73260976320.

The previous prime is 225065202391. The next prime is 225065202407. The reversal of 225065202402 is 204202560522.

It is a self number, because there is not a number n which added to its sum of digits gives 225065202402.

It is not an unprimeable number, because it can be changed into a prime (225065202407) 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, 2161113 + ... + 2262860.

It is an arithmetic number, because the mean of its divisors is an integer number (14400035370).

Almost surely, 2^225065202402 is an apocalyptic number.

225065202402 is an abundant number, since it is smaller than the sum of its proper divisors (235735929438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

225065202402 is a wasteful number, since it uses less digits than its factorization.

225065202402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4424178.

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 225065202402 its reverse (204202560522), we get a palindrome (429267762924).

The spelling of 225065202402 in words is "two hundred twenty-five billion, sixty-five million, two hundred two thousand, four hundred two".