223420255 has 16 divisors (see below), whose sum is σ = 277947648. Its totient is φ = 172224000.

The previous prime is 223420231. The next prime is 223420271. The reversal of 223420255 is 552024322.

It is a happy number.

It is not a de Polignac number, because 223420255 - 2¹⁵ = 223387487 is a prime.

It is a super-2 number, since 2×223420255² = 99833220688530050, which contains 22 as substring.

It is a Duffinian number.

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 15 ways as a sum of consecutive naturals, for example, 34365 + ... + 40345.

It is an arithmetic number, because the mean of its divisors is an integer number (17371728).

Almost surely, 2^223420255 is an apocalyptic number.

223420255 is a deficient number, since it is larger than the sum of its proper divisors (54527393).

223420255 is a wasteful number, since it uses less digits than its factorization.

223420255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6258.

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 223420255 is about 14947.2490780076. The cubic root of 223420255 is about 606.7933990696.

Adding to 223420255 its reverse (552024322), we get a palindrome (775444577).

The spelling of 223420255 in words is "two hundred twenty-three million, four hundred twenty thousand, two hundred fifty-five".