255401422 has 8 divisors (see below), whose sum is σ = 383180400. Its totient is φ = 127674624.

The previous prime is 255401371. The next prime is 255401441. The reversal of 255401422 is 224104552.

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, 3279 + ... + 22837.

It is an arithmetic number, because the mean of its divisors is an integer number (47897550).

Almost surely, 2^255401422 is an apocalyptic number.

255401422 is a deficient number, since it is larger than the sum of its proper divisors (127778978).

255401422 is a wasteful number, since it uses less digits than its factorization.

255401422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26090.

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 255401422 is about 15981.2834903834. The cubic root of 255401422 is about 634.4651474113.

Adding to 255401422 its reverse (224104552), we get a palindrome (479505974).

It can be divided in two parts, 25540 and 1422, that added together give a palindrome (26962).

The spelling of 255401422 in words is "two hundred fifty-five million, four hundred one thousand, four hundred twenty-two".