255400322 has 8 divisors (see below), whose sum is σ = 390328956. Its totient is φ = 125290672.

The previous prime is 255400319. The next prime is 255400331. The reversal of 255400322 is 223004552.

255400322 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 213422881 + 41977441 = 14609^2 + 6479^2 .

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

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, 1204613 + ... + 1204824.

Almost surely, 2^255400322 is an apocalyptic number.

255400322 is a deficient number, since it is larger than the sum of its proper divisors (134928634).

255400322 is a wasteful number, since it uses less digits than its factorization.

255400322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2409492.

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 255400322 is about 15981.2490750880. The cubic root of 255400322 is about 634.4642365411.

Adding to 255400322 its reverse (223004552), we get a palindrome (478404874).

The spelling of 255400322 in words is "two hundred fifty-five million, four hundred thousand, three hundred twenty-two".