222000322040 has 128 divisors (see below), whose sum is σ = 573547806720. Its totient is φ = 75756480000.

The previous prime is 222000322009. The next prime is 222000322043. The reversal of 222000322040 is 40223000222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222000322043) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 94426865 + ... + 94429215.

It is an arithmetic number, because the mean of its divisors is an integer number (4480842240).

Almost surely, 2^222000322040 is an apocalyptic number.

222000322040 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 222000322040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (286773903360).

222000322040 is an abundant number, since it is smaller than the sum of its proper divisors (351547484680).

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

222000322040 is a wasteful number, since it uses less digits than its factorization.

222000322040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3813 (or 3809 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

Adding to 222000322040 its reverse (40223000222), we get a palindrome (262223322262).

The spelling of 222000322040 in words is "two hundred twenty-two billion, three hundred twenty-two thousand, forty".