222241778208 has 54 divisors (see below), whose sum is σ = 632022808599. Its totient is φ = 74077925952.

The previous prime is 222241778191. The next prime is 222241778237. The reversal of 222241778208 is 802877142222.

It is a happy number.

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.

222241778208 is a `hidden beast` number, since 2 + 2 + 22 + 417 + 7 + 8 + 208 = 666.

It can be written as a sum of positive squares in only one way, i.e., 111120889104 + 111120889104 = 333348^2 + 333348^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=333348.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 7986463 + ... + 8014241.

Almost surely, 2^222241778208 is an apocalyptic number.

It is an amenable number.

222241778208 is an abundant number, since it is smaller than the sum of its proper divisors (409781030391).

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

222241778208 is an frugal number, since it uses more digits than its factorization.

222241778208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55574 (or 27784 counting only the distinct ones).

The product of its (nonzero) digits is 401408, while the sum is 45.

The spelling of 222241778208 in words is "two hundred twenty-two billion, two hundred forty-one million, seven hundred seventy-eight thousand, two hundred eight".