223226732111440 has 160 divisors (see below), whose sum is σ = 531748796898816. Its totient is φ = 87126777999360.

The previous prime is 223226732111431. The next prime is 223226732111473. The reversal of 223226732111440 is 44111237622322.

It is a super-3 number, since 3×223226732111440³ (a number of 44 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 223226732111393 and 223226732111402.

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 31 ways as a sum of consecutive naturals, for example, 250848724 + ... + 251737036.

Almost surely, 2^{223226732111440} is an apocalyptic number.

223226732111440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 223226732111440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (265874398449408).

223226732111440 is an abundant number, since it is smaller than the sum of its proper divisors (308522064787376).

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

223226732111440 is a wasteful number, since it uses less digits than its factorization.

223226732111440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 888837 (or 888831 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 40.

Adding to 223226732111440 its reverse (44111237622322), we get a palindrome (267337969733762).

The spelling of 223226732111440 in words is "two hundred twenty-three trillion, two hundred twenty-six billion, seven hundred thirty-two million, one hundred eleven thousand, four hundred forty".