222002001988 has 48 divisors (see below), whose sum is σ = 438239805696. Its totient is φ = 97634782080.

The previous prime is 222002001979. The next prime is 222002001989. The reversal of 222002001988 is 889100200222.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (222002001989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38343 + ... + 667438.

It is an arithmetic number, because the mean of its divisors is an integer number (9129995952).

Almost surely, 2^222002001988 is an apocalyptic number.

It is an amenable number.

222002001988 is a deficient number, since it is larger than the sum of its proper divisors (216237803708).

222002001988 is a wasteful number, since it uses less digits than its factorization.

222002001988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706084 (or 706082 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 34.

The spelling of 222002001988 in words is "two hundred twenty-two billion, two million, one thousand, nine hundred eighty-eight".