25314421222 has 4 divisors (see below), whose sum is σ = 37971631836. Its totient is φ = 12657210610.

The previous prime is 25314421219. The next prime is 25314421247. The reversal of 25314421222 is 22212441352.

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, 6328605304 + ... + 6328605307.

It is an arithmetic number, because the mean of its divisors is an integer number (9492907959).

Almost surely, 2^25314421222 is an apocalyptic number.

25314421222 is a deficient number, since it is larger than the sum of its proper divisors (12657210614).

25314421222 is a wasteful number, since it uses less digits than its factorization.

25314421222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12657210613.

The product of its digits is 7680, while the sum is 28.

Adding to 25314421222 its reverse (22212441352), we get a palindrome (47526862574).

The spelling of 25314421222 in words is "twenty-five billion, three hundred fourteen million, four hundred twenty-one thousand, two hundred twenty-two".