25525255222 has 4 divisors (see below), whose sum is σ = 38287882836. Its totient is φ = 12762627610.

The previous prime is 25525255211. The next prime is 25525255237. The reversal of 25525255222 is 22255252552.

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, 6381313804 + ... + 6381313807.

It is an arithmetic number, because the mean of its divisors is an integer number (9571970709).

Almost surely, 2^25525255222 is an apocalyptic number.

25525255222 is a deficient number, since it is larger than the sum of its proper divisors (12762627614).

25525255222 is a wasteful number, since it uses less digits than its factorization.

25525255222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12762627613.

The product of its digits is 200000, while the sum is 37.

The spelling of 25525255222 in words is "twenty-five billion, five hundred twenty-five million, two hundred fifty-five thousand, two hundred twenty-two".