222012220001 has 32 divisors (see below), whose sum is σ = 278276777856. Its totient is φ = 174006144000.

The previous prime is 222012219959. The next prime is 222012220009. The reversal of 222012220001 is 100022210222.

222012220001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 222012220001 - 2⁶ = 222012219937 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (222012220009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30110 + ... + 667031.

It is an arithmetic number, because the mean of its divisors is an integer number (8696149308).

Almost surely, 2^222012220001 is an apocalyptic number.

It is an amenable number.

222012220001 is a deficient number, since it is larger than the sum of its proper divisors (56264557855).

222012220001 is a wasteful number, since it uses less digits than its factorization.

222012220001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 697313.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 222012220001 its reverse (100022210222), we get a palindrome (322034430223).

It can be divided in two parts, 2220 and 12220001, that added together give a palindrome (12222221).

The spelling of 222012220001 in words is "two hundred twenty-two billion, twelve million, two hundred twenty thousand, one".