223215433455 has 64 divisors (see below), whose sum is σ = 433287429120. Its totient is φ = 95791724544.

The previous prime is 223215433453. The next prime is 223215433487. The reversal of 223215433455 is 554334512322.

It is not a de Polignac number, because 223215433455 - 2¹ = 223215433453 is a prime.

It is a super-3 number, since 3×223215433455³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223215433453) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 533632 + ... + 855098.

It is an arithmetic number, because the mean of its divisors is an integer number (6770116080).

Almost surely, 2^223215433455 is an apocalyptic number.

223215433455 is a deficient number, since it is larger than the sum of its proper divisors (210071995665).

223215433455 is a wasteful number, since it uses less digits than its factorization.

223215433455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321888.

The product of its digits is 432000, while the sum is 39.

Adding to 223215433455 its reverse (554334512322), we get a palindrome (777549945777).

The spelling of 223215433455 in words is "two hundred twenty-three billion, two hundred fifteen million, four hundred thirty-three thousand, four hundred fifty-five".