255616622 has 8 divisors (see below), whose sum is σ = 386818416. Its totient is φ = 126677152.

The previous prime is 255616619. The next prime is 255616681. The reversal of 255616622 is 226616552.

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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 565298 + ... + 565749.

It is an arithmetic number, because the mean of its divisors is an integer number (48352302).

Almost surely, 2^255616622 is an apocalyptic number.

255616622 is a deficient number, since it is larger than the sum of its proper divisors (131201794).

255616622 is a wasteful number, since it uses less digits than its factorization.

255616622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1131162.

The product of its digits is 43200, while the sum is 35.

The square root of 255616622 is about 15988.0149487045. The cubic root of 255616622 is about 634.6432964706.

The spelling of 255616622 in words is "two hundred fifty-five million, six hundred sixteen thousand, six hundred twenty-two".