1000222100197 has 4 divisors (see below), whose sum is σ = 1012883139520. Its totient is φ = 987561060876.

The previous prime is 1000222100183. The next prime is 1000222100233. The reversal of 1000222100197 is 7910012220001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1000222100197 - 2⁷ = 1000222100069 is a prime.

It is a super-3 number, since 3×1000222100197³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000222100497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6330519543 + ... + 6330519700.

It is an arithmetic number, because the mean of its divisors is an integer number (253220784880).

Almost surely, 2^{1000222100197} is an apocalyptic number.

It is an amenable number.

1000222100197 is a deficient number, since it is larger than the sum of its proper divisors (12661039323).

1000222100197 is an equidigital number, since it uses as much as digits as its factorization.

1000222100197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12661039322.

The product of its (nonzero) digits is 504, while the sum is 25.

Adding to 1000222100197 its reverse (7910012220001), we get a palindrome (8910234320198).

The spelling of 1000222100197 in words is "one trillion, two hundred twenty-two million, one hundred thousand, one hundred ninety-seven".