255522022 has 8 divisors (see below), whose sum is σ = 438037776. Its totient is φ = 109509432.

The previous prime is 255521989. The next prime is 255522073. The reversal of 255522022 is 220225552.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9125773 + ... + 9125800.

It is an arithmetic number, because the mean of its divisors is an integer number (54754722).

Almost surely, 2^255522022 is an apocalyptic number.

255522022 is a deficient number, since it is larger than the sum of its proper divisors (182515754).

255522022 is a wasteful number, since it uses less digits than its factorization.

255522022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18251582.

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 255522022 is about 15985.0562088471. The cubic root of 255522022 is about 634.5649960544.

Adding to 255522022 its reverse (220225552), we get a palindrome (475747574).

The spelling of 255522022 in words is "two hundred fifty-five million, five hundred twenty-two thousand, twenty-two".