222022112220001 has 8 divisors (see below), whose sum is σ = 222341945504040. Its totient is φ = 221702297768448.

The previous prime is 222022112219981. The next prime is 222022112220071. The reversal of 222022112220001 is 100022211220222.

It can be written as a sum of positive squares in 4 ways, for example, as 24083212726225 + 197938899493776 = 4907465^2 + 14069076^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 222022112220001 - 2¹¹ = 222022112217953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222022112220071) 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 7 ways as a sum of consecutive naturals, for example, 18973215 + ... + 28355371.

It is an arithmetic number, because the mean of its divisors is an integer number (27792743188005).

Almost surely, 2^{222022112220001} is an apocalyptic number.

It is an amenable number.

222022112220001 is a deficient number, since it is larger than the sum of its proper divisors (319833284039).

222022112220001 is an equidigital number, since it uses as much as digits as its factorization.

222022112220001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9416243.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 222022112220001 its reverse (100022211220222), we get a palindrome (322044323440223).

The spelling of 222022112220001 in words is "two hundred twenty-two trillion, twenty-two billion, one hundred twelve million, two hundred twenty thousand, one".