222222002221012 has 24 divisors (see below), whose sum is σ = 389198018764800. Its totient is φ = 111022570730016.

The previous prime is 222222002221001. The next prime is 222222002221027. The reversal of 222222002221012 is 210122200222222.

It is a super-2 number, since 2×222222002221012² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 421648053 + ... + 422174755.

It is an arithmetic number, because the mean of its divisors is an integer number (16216584115200).

Almost surely, 2^{222222002221012} is an apocalyptic number.

It is an amenable number.

222222002221012 is a deficient number, since it is larger than the sum of its proper divisors (166976016543788).

222222002221012 is a wasteful number, since it uses less digits than its factorization.

222222002221012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610455 (or 610453 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 222222002221012 its reverse (210122200222222), we get a palindrome (432344202443234).

The spelling of 222222002221012 in words is "two hundred twenty-two trillion, two hundred twenty-two billion, two million, two hundred twenty-one thousand, twelve".