255630622 has 8 divisors (see below), whose sum is σ = 412941816. Its totient is φ = 117983352.

The previous prime is 255630593. The next prime is 255630631. The reversal of 255630622 is 226036552.

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, 4915948 + ... + 4915999.

It is an arithmetic number, because the mean of its divisors is an integer number (51617727).

Almost surely, 2^255630622 is an apocalyptic number.

255630622 is a deficient number, since it is larger than the sum of its proper divisors (157311194).

255630622 is a wasteful number, since it uses less digits than its factorization.

255630622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9831962.

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 255630622 is about 15988.4527706717. The cubic root of 255630622 is about 634.6548826290.

The spelling of 255630622 in words is "two hundred fifty-five million, six hundred thirty thousand, six hundred twenty-two".