25552643222 has 8 divisors (see below), whose sum is σ = 38345834376. Its totient is φ = 12770698432.

The previous prime is 25552643219. The next prime is 25552643243. The reversal of 25552643222 is 22234625552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×25552643222³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2805908 + ... + 2814999.

It is an arithmetic number, because the mean of its divisors is an integer number (4793229297).

Almost surely, 2^25552643222 is an apocalyptic number.

25552643222 is a deficient number, since it is larger than the sum of its proper divisors (12793191154).

25552643222 is a wasteful number, since it uses less digits than its factorization.

25552643222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5623182.

The product of its digits is 288000, while the sum is 38.

The spelling of 25552643222 in words is "twenty-five billion, five hundred fifty-two million, six hundred forty-three thousand, two hundred twenty-two".