225219923138138 has 8 divisors (see below), whose sum is σ = 339076489448640. Its totient is φ = 112194426655260.

The previous prime is 225219923138101. The next prime is 225219923138141. The reversal of 225219923138138 is 831831329912522.

225219923138138 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 207767456228 + ... + 207767457311.

It is an arithmetic number, because the mean of its divisors is an integer number (42384561181080).

Almost surely, 2^{225219923138138} is an apocalyptic number.

225219923138138 is a deficient number, since it is larger than the sum of its proper divisors (113856566310502).

225219923138138 is a wasteful number, since it uses less digits than its factorization.

225219923138138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415534913812.

The product of its digits is 11197440, while the sum is 59.

The spelling of 225219923138138 in words is "two hundred twenty-five trillion, two hundred nineteen billion, nine hundred twenty-three million, one hundred thirty-eight thousand, one hundred thirty-eight".