222081554668 has 6 divisors (see below), whose sum is σ = 388642720676. Its totient is φ = 111040777332.

The previous prime is 222081554659. The next prime is 222081554677. The reversal of 222081554668 is 866455180222.

It is an interprime number because it is at equal distance from previous prime (222081554659) and next prime (222081554677).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27760194330 + ... + 27760194337.

Almost surely, 2^222081554668 is an apocalyptic number.

It is an amenable number.

222081554668 is a deficient number, since it is larger than the sum of its proper divisors (166561166008).

222081554668 is a wasteful number, since it uses less digits than its factorization.

222081554668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55520388671 (or 55520388669 counting only the distinct ones).

The product of its (nonzero) digits is 1843200, while the sum is 49.

The spelling of 222081554668 in words is "two hundred twenty-two billion, eighty-one million, five hundred fifty-four thousand, six hundred sixty-eight".