202222212001 has 4 divisors (see below), whose sum is σ = 211014482112. Its totient is φ = 193429941892.

The previous prime is 202222211981. The next prime is 202222212011. The reversal of 202222212001 is 100212222202.

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, and also an emirpimes, since its reverse is a distinct semiprime: 100212222202 = 2 ⋅50106111101.

It is a cyclic number.

It is not a de Polignac number, because 202222212001 - 2²⁹ = 201685341089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (202222212011) 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 3 ways as a sum of consecutive naturals, for example, 4396135021 + ... + 4396135066.

It is an arithmetic number, because the mean of its divisors is an integer number (52753620528).

Almost surely, 2^202222212001 is an apocalyptic number.

It is an amenable number.

202222212001 is a deficient number, since it is larger than the sum of its proper divisors (8792270111).

202222212001 is an equidigital number, since it uses as much as digits as its factorization.

202222212001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8792270110.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 202222212001 its reverse (100212222202), we get a palindrome (302434434203).

The spelling of 202222212001 in words is "two hundred two billion, two hundred twenty-two million, two hundred twelve thousand, one".