222012223001 has 4 divisors (see below), whose sum is σ = 222582948900. Its totient is φ = 221441497104.

The previous prime is 222012222989. The next prime is 222012223033. The reversal of 222012223001 is 100322210222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 68895750400 + 153116472601 = 262480^2 + 391301^2 .

It is a cyclic number.

It is not a de Polignac number, because 222012223001 - 2¹⁴ = 222012206617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222012223201) 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, 285362366 + ... + 285363143.

It is an arithmetic number, because the mean of its divisors is an integer number (55645737225).

Almost surely, 2^222012223001 is an apocalyptic number.

It is an amenable number.

222012223001 is a deficient number, since it is larger than the sum of its proper divisors (570725899).

222012223001 is an equidigital number, since it uses as much as digits as its factorization.

222012223001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570725898.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 222012223001 its reverse (100322210222), we get a palindrome (322334433223).

The spelling of 222012223001 in words is "two hundred twenty-two billion, twelve million, two hundred twenty-three thousand, one".