222012209997 has 24 divisors (see below), whose sum is σ = 321833573568. Its totient is φ = 147478060800.

The previous prime is 222012209897. The next prime is 222012210029. The reversal of 222012209997 is 799902210222.

It is a happy number.

It is not a de Polignac number, because 222012209997 - 2¹² = 222012205901 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222012209197) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 8498718 + ... + 8524800.

It is an arithmetic number, because the mean of its divisors is an integer number (13409732232).

Almost surely, 2^222012209997 is an apocalyptic number.

It is an amenable number.

222012209997 is a deficient number, since it is larger than the sum of its proper divisors (99821363571).

222012209997 is a wasteful number, since it uses less digits than its factorization.

222012209997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29441 (or 29438 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The spelling of 222012209997 in words is "two hundred twenty-two billion, twelve million, two hundred nine thousand, nine hundred ninety-seven".