222002221224 has 192 divisors, whose sum is σ = 674873907840. Its totient is φ = 60564725760.

The previous prime is 222002221223. The next prime is 222002221249. The reversal of 222002221224 is 422122200222.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 222002221224.

It is not an unprimeable number, because it can be changed into a prime (222002221223) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16032544 + ... + 16046384.

It is an arithmetic number, because the mean of its divisors is an integer number (3514968270).

Almost surely, 2^222002221224 is an apocalyptic number.

222002221224 is a gapful number since it is divisible by the number (24) 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 222002221224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (337436953920).

222002221224 is an abundant number, since it is smaller than the sum of its proper divisors (452871686616).

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

222002221224 is a wasteful number, since it uses less digits than its factorization.

222002221224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14480 (or 14469 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

Adding to 222002221224 its reverse (422122200222), we get a palindrome (644124421446).

The spelling of 222002221224 in words is "two hundred twenty-two billion, two million, two hundred twenty-one thousand, two hundred twenty-four".