222115040000 has 540 divisors, whose sum is σ = 661153306968. Its totient is φ = 74188800000.

The previous prime is 222115039987. The next prime is 222115040009. The reversal of 222115040000 is 40511222.

It is not an unprimeable number, because it can be changed into a prime (222115040009) by changing a digit.

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 59 ways as a sum of consecutive naturals, for example, 321439655 + ... + 321440345.

Almost surely, 2^222115040000 is an apocalyptic number.

222115040000 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 222115040000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (330576653484).

222115040000 is an abundant number, since it is smaller than the sum of its proper divisors (439038266968).

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

222115040000 is an frugal number, since it uses more digits than its factorization.

222115040000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782 (or 746 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

Adding to 222115040000 its reverse (40511222), we get a palindrome (222155551222).

The spelling of 222115040000 in words is "two hundred twenty-two billion, one hundred fifteen million, forty thousand".