222012022001 has 16 divisors (see below), whose sum is σ = 276894149760. Its totient is φ = 172933918080.

The previous prime is 222012021991. The next prime is 222012022027. The reversal of 222012022001 is 100220210222.

It is not a de Polignac number, because 222012022001 - 2¹⁰ = 222012020977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222012022091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 305306 + ... + 732963.

It is an arithmetic number, because the mean of its divisors is an integer number (17305884360).

Almost surely, 2^222012022001 is an apocalyptic number.

It is an amenable number.

222012022001 is a deficient number, since it is larger than the sum of its proper divisors (54882127759).

222012022001 is a wasteful number, since it uses less digits than its factorization.

222012022001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1041064.

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

Adding to 222012022001 its reverse (100220210222), we get a palindrome (322232232223).

The spelling of 222012022001 in words is "two hundred twenty-two billion, twelve million, twenty-two thousand, one".