222228444488 has 12 divisors (see below), whose sum is σ = 416680833465. Its totient is φ = 111113555568.

The previous prime is 222228444467. The next prime is 222228444541. The reversal of 222228444488 is 884444822222.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

222228444488 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 218068452484 + 4159992004 = 466978^2 + 64498^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=333338.

It is a nude number because it is divisible by every one of its digits.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1250018 + ... + 1416686.

Almost surely, 2^222228444488 is an apocalyptic number.

It is an amenable number.

222228444488 is a deficient number, since it is larger than the sum of its proper divisors (194452388977).

222228444488 is an frugal number, since it uses more digits than its factorization.

222228444488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333344 (or 166671 counting only the distinct ones).

The product of its digits is 4194304, while the sum is 50.

Multiplying 222228444488 by its sum of digits (50), we get a square (11111422224400 = 3333380²).

The spelling of 222228444488 in words is "two hundred twenty-two billion, two hundred twenty-eight million, four hundred forty-four thousand, four hundred eighty-eight".