225697984838 has 4 divisors (see below), whose sum is σ = 338546977260. Its totient is φ = 112848992418.

The previous prime is 225697984829. The next prime is 225697984861. The reversal of 225697984838 is 838489796522.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56424496208 + ... + 56424496211.

It is an arithmetic number, because the mean of its divisors is an integer number (84636744315).

Almost surely, 2^225697984838 is an apocalyptic number.

225697984838 is a deficient number, since it is larger than the sum of its proper divisors (112848992422).

225697984838 is a wasteful number, since it uses less digits than its factorization.

225697984838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112848992421.

The product of its digits is 418037760, while the sum is 71.

The spelling of 225697984838 in words is "two hundred twenty-five billion, six hundred ninety-seven million, nine hundred eighty-four thousand, eight hundred thirty-eight".