223215433456 has 80 divisors (see below), whose sum is σ = 451252010880. Its totient is φ = 106868885760.

The previous prime is 223215433453. The next prime is 223215433487. The reversal of 223215433456 is 654334512322.

It is a super-4 number, since 4×223215433456⁴ (a number of 46 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3.

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 15 ways as a sum of consecutive naturals, for example, 87913435 + ... + 87915973.

It is an arithmetic number, because the mean of its divisors is an integer number (5640650136).

Almost surely, 2^223215433456 is an apocalyptic number.

It is an amenable number.

223215433456 is an abundant number, since it is smaller than the sum of its proper divisors (228036577424).

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

223215433456 is a wasteful number, since it uses less digits than its factorization.

223215433456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5054 (or 5048 counting only the distinct ones).

The product of its digits is 518400, while the sum is 40.

Adding to 223215433456 its reverse (654334512322), we get a palindrome (877549945778).

The spelling of 223215433456 in words is "two hundred twenty-three billion, two hundred fifteen million, four hundred thirty-three thousand, four hundred fifty-six".