255645622 has 8 divisors (see below), whose sum is σ = 383569416. Its totient is φ = 127789152.

The previous prime is 255645613. The next prime is 255645631. The reversal of 255645622 is 226546552.

It is an interprime number because it is at equal distance from previous prime (255645613) and next prime (255645631).

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 (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5923 + ... + 23374.

It is an arithmetic number, because the mean of its divisors is an integer number (47946177).

Almost surely, 2^255645622 is an apocalyptic number.

255645622 is a deficient number, since it is larger than the sum of its proper divisors (127923794).

255645622 is a wasteful number, since it uses less digits than its factorization.

255645622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33662.

The product of its digits is 144000, while the sum is 37.

The square root of 255645622 is about 15988.9218523326. The cubic root of 255645622 is about 634.6672959006.

The spelling of 255645622 in words is "two hundred fifty-five million, six hundred forty-five thousand, six hundred twenty-two".