255423222 has 12 divisors (see below), whose sum is σ = 553417020. Its totient is φ = 85141068.

The previous prime is 255423199. The next prime is 255423227. The reversal of 255423222 is 222324552.

It is a super-2 number, since 2×255423222² = 130482044673722568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255423227) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7095072 + ... + 7095107.

It is an arithmetic number, because the mean of its divisors is an integer number (46118085).

Almost surely, 2^255423222 is an apocalyptic number.

255423222 is an abundant number, since it is smaller than the sum of its proper divisors (297993798).

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

255423222 is a wasteful number, since it uses less digits than its factorization.

255423222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14190187 (or 14190184 counting only the distinct ones).

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

The square root of 255423222 is about 15981.9655236770. The cubic root of 255423222 is about 634.4831986639.

Adding to 255423222 its reverse (222324552), we get a palindrome (477747774).

The spelling of 255423222 in words is "two hundred fifty-five million, four hundred twenty-three thousand, two hundred twenty-two".