222000240 has 320 divisors, whose sum is σ = 881943552. Its totient is φ = 44851200.

The previous prime is 222000217. The next prime is 222000241. The reversal of 222000240 is 42000222.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222000241) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 757534 + ... + 757826.

Almost surely, 2^222000240 is an apocalyptic number.

222000240 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 222000240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (440971776).

222000240 is an abundant number, since it is smaller than the sum of its proper divisors (659943312).

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

222000240 is a wasteful number, since it uses less digits than its factorization.

222000240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368 (or 362 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 12.

The square root of 222000240 is about 14899.6724796218. The cubic root of 222000240 is about 605.5051128510.

Adding to 222000240 its reverse (42000222), we get a palindrome (264000462).

The spelling of 222000240 in words is "two hundred twenty-two million, two hundred forty", and thus it is an aban number.