255344022 has 64 divisors (see below), whose sum is σ = 599477760. Its totient is φ = 80400672.

The previous prime is 255344003. The next prime is 255344027. The reversal of 255344022 is 220443552.

It is a happy number.

255344022 is a `hidden beast` number, since 255 + 3 + 4 + 402 + 2 = 666.

It is a super-2 number, since 2×255344022² = 130401139142272968, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255344027) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 101848 + ... + 104324.

It is an arithmetic number, because the mean of its divisors is an integer number (9366840).

Almost surely, 2^255344022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 255344022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (299738880).

255344022 is an abundant number, since it is smaller than the sum of its proper divisors (344133738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

255344022 is a wasteful number, since it uses less digits than its factorization.

255344022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2594 (or 2588 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 255344022 is about 15979.4875387166. The cubic root of 255344022 is about 634.4176130531.

Adding to 255344022 its reverse (220443552), we get a palindrome (475787574).

The spelling of 255344022 in words is "two hundred fifty-five million, three hundred forty-four thousand, twenty-two".