25315030222 has 16 divisors (see below), whose sum is σ = 39007745712. Its totient is φ = 12312604800.

The previous prime is 25315030217. The next prime is 25315030309. The reversal of 25315030222 is 22203051352.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 307398 + ... + 380950.

It is an arithmetic number, because the mean of its divisors is an integer number (2437984107).

Almost surely, 2^25315030222 is an apocalyptic number.

25315030222 is a deficient number, since it is larger than the sum of its proper divisors (13692715490).

25315030222 is a wasteful number, since it uses less digits than its factorization.

25315030222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78243.

The product of its (nonzero) digits is 3600, while the sum is 25.

Adding to 25315030222 its reverse (22203051352), we get a palindrome (47518081574).

The spelling of 25315030222 in words is "twenty-five billion, three hundred fifteen million, thirty thousand, two hundred twenty-two".