225618586494 has 16 divisors (see below), whose sum is σ = 515699626368. Its totient is φ = 64462453272.

The previous prime is 225618586409. The next prime is 225618586507. The reversal of 225618586494 is 494685816522.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2685935512 + ... + 2685935595.

It is an arithmetic number, because the mean of its divisors is an integer number (32231226648).

Almost surely, 2^225618586494 is an apocalyptic number.

225618586494 is an abundant number, since it is smaller than the sum of its proper divisors (290081039874).

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

225618586494 is a wasteful number, since it uses less digits than its factorization.

225618586494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5371871119.

The product of its digits is 33177600, while the sum is 60.

The spelling of 225618586494 in words is "two hundred twenty-five billion, six hundred eighteen million, five hundred eighty-six thousand, four hundred ninety-four".