222012212224 has 88 divisors (see below), whose sum is σ = 484759535328. Its totient is φ = 100788387840.

The previous prime is 222012212189. The next prime is 222012212251. The reversal of 222012212224 is 422212210222.

It is a tau number, because it is divible by the number of its divisors (88).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 222012212195 and 222012212204.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9303412 + ... + 9327244.

Almost surely, 2^222012212224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222012212224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (242379767664).

222012212224 is an abundant number, since it is smaller than the sum of its proper divisors (262747323104).

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

222012212224 is a wasteful number, since it uses less digits than its factorization.

222012212224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24691 (or 24673 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 222012212224 its reverse (422212210222), we get a palindrome (644224422446).

The spelling of 222012212224 in words is "two hundred twenty-two billion, twelve million, two hundred twelve thousand, two hundred twenty-four".