222212210001 has 4 divisors (see below), whose sum is σ = 296282946672. Its totient is φ = 148141473332.

The previous prime is 222212209997. The next prime is 222212210083. The reversal of 222212210001 is 100012212222.

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 222212210001 - 2² = 222212209997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222212210201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37035368331 + ... + 37035368336.

It is an arithmetic number, because the mean of its divisors is an integer number (74070736668).

Almost surely, 2^222212210001 is an apocalyptic number.

It is an amenable number.

222212210001 is a deficient number, since it is larger than the sum of its proper divisors (74070736671).

222212210001 is an equidigital number, since it uses as much as digits as its factorization.

222212210001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74070736670.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 222212210001 its reverse (100012212222), we get a palindrome (322224422223).

The spelling of 222212210001 in words is "two hundred twenty-two billion, two hundred twelve million, two hundred ten thousand, one".