255889622 has 8 divisors (see below), whose sum is σ = 384062376. Its totient is φ = 127868832.

The previous prime is 255889619. The next prime is 255889631. The reversal of 255889622 is 226988552.

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

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, 33683 + ... + 40574.

It is an arithmetic number, because the mean of its divisors is an integer number (48007797).

Almost surely, 2^255889622 is an apocalyptic number.

255889622 is a deficient number, since it is larger than the sum of its proper divisors (128172754).

255889622 is a wasteful number, since it uses less digits than its factorization.

255889622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75982.

The product of its digits is 691200, while the sum is 47.

The square root of 255889622 is about 15996.5503156149. The cubic root of 255889622 is about 634.8691502970.

The spelling of 255889622 in words is "two hundred fifty-five million, eight hundred eighty-nine thousand, six hundred twenty-two".