222213044440 has 16 divisors (see below), whose sum is σ = 499979350080. Its totient is φ = 88885217760.

The previous prime is 222213044381. The next prime is 222213044461. The reversal of 222213044440 is 44440312222.

It is a junction number, because it is equal to n+sod(n) for n = 222213044399 and 222213044408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2777663016 + ... + 2777663095.

It is an arithmetic number, because the mean of its divisors is an integer number (31248709380).

Almost surely, 2^222213044440 is an apocalyptic number.

222213044440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

222213044440 is an abundant number, since it is smaller than the sum of its proper divisors (277766305640).

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

222213044440 is a wasteful number, since it uses less digits than its factorization.

222213044440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5555326122 (or 5555326118 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 222213044440 its reverse (44440312222), we get a palindrome (266653356662).

The spelling of 222213044440 in words is "two hundred twenty-two billion, two hundred thirteen million, forty-four thousand, four hundred forty".