222000020022001 has 24 divisors (see below), whose sum is σ = 240668403482040. Its totient is φ = 204686325043200.

The previous prime is 222000020021999. The next prime is 222000020022007. The reversal of 222000020022001 is 100220020000222.

It can be written as a sum of positive squares in 12 ways, for example, as 141097550645601 + 80902469376400 = 11878449^2 + 8994580^2 .

It is not a de Polignac number, because 222000020022001 - 2¹ = 222000020021999 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222000020022007) 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, 834701521 + ... + 834967441.

It is an arithmetic number, because the mean of its divisors is an integer number (10027850145085).

Almost surely, 2^{222000020022001} is an apocalyptic number.

It is an amenable number.

222000020022001 is a deficient number, since it is larger than the sum of its proper divisors (18668383460039).

222000020022001 is a wasteful number, since it uses less digits than its factorization.

222000020022001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271637 (or 271624 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 222000020022001 its reverse (100220020000222), we get a palindrome (322220040022223).

The spelling of 222000020022001 in words is "two hundred twenty-two trillion, twenty million, twenty-two thousand, one".