25345403222 has 16 divisors (see below), whose sum is σ = 38177246592. Its totient is φ = 12619683840.

The previous prime is 25345403221. The next prime is 25345403323. The reversal of 25345403222 is 22230454352.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25345403221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2807588 + ... + 2816600.

It is an arithmetic number, because the mean of its divisors is an integer number (2386077912).

Almost surely, 2^25345403222 is an apocalyptic number.

25345403222 is a deficient number, since it is larger than the sum of its proper divisors (12831843370).

25345403222 is a wasteful number, since it uses less digits than its factorization.

25345403222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14743.

The product of its (nonzero) digits is 57600, while the sum is 32.

Adding to 25345403222 its reverse (22230454352), we get a palindrome (47575857574).

The spelling of 25345403222 in words is "twenty-five billion, three hundred forty-five million, four hundred three thousand, two hundred twenty-two".