225605535402 has 16 divisors (see below), whose sum is σ = 485919614880. Its totient is φ = 69417087792.

The previous prime is 225605535401. The next prime is 225605535439. The reversal of 225605535402 is 204535506522.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (225605535401) by changing a digit.

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, 1446189252 + ... + 1446189407.

It is an arithmetic number, because the mean of its divisors is an integer number (30369975930).

Almost surely, 2^225605535402 is an apocalyptic number.

225605535402 is an abundant number, since it is smaller than the sum of its proper divisors (260314079478).

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

225605535402 is a wasteful number, since it uses less digits than its factorization.

225605535402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2892378677.

The product of its (nonzero) digits is 360000, while the sum is 39.

The spelling of 225605535402 in words is "two hundred twenty-five billion, six hundred five million, five hundred thirty-five thousand, four hundred two".