255509122 has 8 divisors (see below), whose sum is σ = 418105872. Its totient is φ = 116140500.

The previous prime is 255509119. The next prime is 255509251. The reversal of 255509122 is 221905552.

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

It is a super-2 number, since 2×255509122² = 130569822850421768, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5807004 + ... + 5807047.

It is an arithmetic number, because the mean of its divisors is an integer number (52263234).

Almost surely, 2^255509122 is an apocalyptic number.

255509122 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

255509122 is a deficient number, since it is larger than the sum of its proper divisors (162596750).

255509122 is a wasteful number, since it uses less digits than its factorization.

255509122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11614064.

The product of its (nonzero) digits is 9000, while the sum is 31.

The square root of 255509122 is about 15984.6527018888. The cubic root of 255509122 is about 634.5543172277.

The spelling of 255509122 in words is "two hundred fifty-five million, five hundred nine thousand, one hundred twenty-two".