222213310440 has 384 divisors, whose sum is σ = 783309139200. Its totient is φ = 50267852800.

The previous prime is 222213310433. The next prime is 222213310447. The reversal of 222213310440 is 44013312222.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (222213310433) and next prime (222213310447).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 222213310440.

It is not an unprimeable number, because it can be changed into a prime (222213310447) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 13684246 + ... + 13700474.

It is an arithmetic number, because the mean of its divisors is an integer number (2039867550).

Almost surely, 2^222213310440 is an apocalyptic number.

222213310440 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 222213310440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (391654569600).

222213310440 is an abundant number, since it is smaller than the sum of its proper divisors (561095828760).

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

222213310440 is a wasteful number, since it uses less digits than its factorization.

222213310440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16329 (or 16314 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 222213310440 its reverse (44013312222), we get a palindrome (266226622662).

The spelling of 222213310440 in words is "two hundred twenty-two billion, two hundred thirteen million, three hundred ten thousand, four hundred forty".