25112444213222 has 16 divisors (see below), whose sum is σ = 38127861000432. Its totient is φ = 12403199715840.

The previous prime is 25112444213189. The next prime is 25112444213231. The reversal of 25112444213222 is 22231244421152.

It is a happy number.

It is a super-2 number, since 2×25112444213222² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9440003 + ... + 11804174.

It is an arithmetic number, because the mean of its divisors is an integer number (2382991312527).

Almost surely, 2^{25112444213222} is an apocalyptic number.

25112444213222 is a deficient number, since it is larger than the sum of its proper divisors (13015416787210).

25112444213222 is a wasteful number, since it uses less digits than its factorization.

25112444213222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21251383.

The product of its digits is 61440, while the sum is 35.

Adding to 25112444213222 its reverse (22231244421152), we get a palindrome (47343688634374).

The spelling of 25112444213222 in words is "twenty-five trillion, one hundred twelve billion, four hundred forty-four million, two hundred thirteen thousand, two hundred twenty-two".