222311223432 has 128 divisors (see below), whose sum is σ = 629481888000. Its totient is φ = 72680509440.

The previous prime is 222311223389. The next prime is 222311223467. The reversal of 222311223432 is 234322113222.

222311223432 is a `hidden beast` number, since 2 + 2 + 2 + 3 + 1 + 1 + 223 + 432 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 222311223396 and 222311223405.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2922294 + ... + 2997402.

It is an arithmetic number, because the mean of its divisors is an integer number (4917827250).

Almost surely, 2^222311223432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222311223432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (314740944000).

222311223432 is an abundant number, since it is smaller than the sum of its proper divisors (407170664568).

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

222311223432 is a wasteful number, since it uses less digits than its factorization.

222311223432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75388 (or 75378 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

Adding to 222311223432 its reverse (234322113222), we get a palindrome (456633336654).

The spelling of 222311223432 in words is "two hundred twenty-two billion, three hundred eleven million, two hundred twenty-three thousand, four hundred thirty-two".