255404422 has 32 divisors (see below), whose sum is σ = 496339200. Its totient is φ = 95719968.

The previous prime is 255404417. The next prime is 255404423. The reversal of 255404422 is 224404552.

255404422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255404423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33472 + ... + 40387.

It is an arithmetic number, because the mean of its divisors is an integer number (15510600).

Almost surely, 2^255404422 is an apocalyptic number.

255404422 is a deficient number, since it is larger than the sum of its proper divisors (240934778).

255404422 is a wasteful number, since it uses less digits than its factorization.

255404422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73900.

The product of its (nonzero) digits is 12800, while the sum is 28.

The square root of 255404422 is about 15981.3773499032. The cubic root of 255404422 is about 634.4676315896.

Adding to 255404422 its reverse (224404552), we get a palindrome (479808974).

The spelling of 255404422 in words is "two hundred fifty-five million, four hundred four thousand, four hundred twenty-two".