25250311222 has 4 divisors (see below), whose sum is σ = 37875466836. Its totient is φ = 12625155610.

The previous prime is 25250311213. The next prime is 25250311241. The reversal of 25250311222 is 22211305252.

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, 6312577804 + ... + 6312577807.

It is an arithmetic number, because the mean of its divisors is an integer number (9468866709).

Almost surely, 2^25250311222 is an apocalyptic number.

25250311222 is a deficient number, since it is larger than the sum of its proper divisors (12625155614).

25250311222 is a wasteful number, since it uses less digits than its factorization.

25250311222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12625155613.

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 25250311222 its reverse (22211305252), we get a palindrome (47461616474).

The spelling of 25250311222 in words is "twenty-five billion, two hundred fifty million, three hundred eleven thousand, two hundred twenty-two".