222444242220 has 48 divisors (see below), whose sum is σ = 623028123648. Its totient is φ = 59300917440.

The previous prime is 222444242203. The next prime is 222444242257. The reversal of 222444242220 is 22242444222.

222444242220 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 343194 + ... + 750113.

It is an arithmetic number, because the mean of its divisors is an integer number (12979752576).

Almost surely, 2^222444242220 is an apocalyptic number.

222444242220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222444242220 is an abundant number, since it is smaller than the sum of its proper divisors (400583881428).

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

222444242220 is a wasteful number, since it uses less digits than its factorization.

222444242220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1096710 (or 1096708 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 30.

Adding to 222444242220 its reverse (22242444222), we get a palindrome (244686686442).

The spelling of 222444242220 in words is "two hundred twenty-two billion, four hundred forty-four million, two hundred forty-two thousand, two hundred twenty".