222031232444 has 96 divisors (see below), whose sum is σ = 474755904000. Its totient is φ = 88691226624.

The previous prime is 222031232431. The next prime is 222031232453. The reversal of 222031232444 is 444232130222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27718712 + ... + 27726720.

It is an arithmetic number, because the mean of its divisors is an integer number (4945374000).

Almost surely, 2^222031232444 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 222031232444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (237377952000).

222031232444 is an abundant number, since it is smaller than the sum of its proper divisors (252724671556).

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

222031232444 is a wasteful number, since it uses less digits than its factorization.

222031232444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8595 (or 8593 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 222031232444 its reverse (444232130222), we get a palindrome (666263362666).

The spelling of 222031232444 in words is "two hundred twenty-two billion, thirty-one million, two hundred thirty-two thousand, four hundred forty-four".