222240111240 has 768 divisors, whose sum is σ = 871422105600. Its totient is φ = 44140142592.

The previous prime is 222240111239. The next prime is 222240111263. The reversal of 222240111240 is 42111042222.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 501670459 + ... + 501670901.

It is an arithmetic number, because the mean of its divisors is an integer number (1134664200).

Almost surely, 2^222240111240 is an apocalyptic number.

222240111240 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 222240111240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (435711052800).

222240111240 is an abundant number, since it is smaller than the sum of its proper divisors (649181994360).

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

222240111240 is a wasteful number, since it uses less digits than its factorization.

222240111240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586 (or 539 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 222240111240 its reverse (42111042222), we get a palindrome (264351153462).

The spelling of 222240111240 in words is "two hundred twenty-two billion, two hundred forty million, one hundred eleven thousand, two hundred forty".