225242428691138 has 16 divisors (see below), whose sum is σ = 337910285787840. Its totient is φ = 112605667589136.

The previous prime is 225242428691017. The next prime is 225242428691141. The reversal of 225242428691138 is 831196824242522.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 604103573 + ... + 604476311.

It is an arithmetic number, because the mean of its divisors is an integer number (21119392861740).

Almost surely, 2^{225242428691138} is an apocalyptic number.

225242428691138 is a deficient number, since it is larger than the sum of its proper divisors (112667857096702).

225242428691138 is a wasteful number, since it uses less digits than its factorization.

225242428691138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413641.

The product of its digits is 26542080, while the sum is 59.

The spelling of 225242428691138 in words is "two hundred twenty-five trillion, two hundred forty-two billion, four hundred twenty-eight million, six hundred ninety-one thousand, one hundred thirty-eight".