223116455 has 16 divisors (see below), whose sum is σ = 276943104. Its totient is φ = 172381440.

The previous prime is 223116451. The next prime is 223116457. The reversal of 223116455 is 554611322.

It is not a de Polignac number, because 223116455 - 2² = 223116451 is a prime.

It is a super-3 number, since 3×223116455³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223116451) 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, 94469 + ... + 96801.

It is an arithmetic number, because the mean of its divisors is an integer number (17308944).

Almost surely, 2^223116455 is an apocalyptic number.

223116455 is a deficient number, since it is larger than the sum of its proper divisors (53826649).

223116455 is a wasteful number, since it uses less digits than its factorization.

223116455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2986.

The product of its digits is 7200, while the sum is 29.

The square root of 223116455 is about 14937.0832159428. The cubic root of 223116455 is about 606.5182413064.

Adding to 223116455 its reverse (554611322), we get a palindrome (777727777).

The spelling of 223116455 in words is "two hundred twenty-three million, one hundred sixteen thousand, four hundred fifty-five".