2200012221 has 8 divisors (see below), whose sum is σ = 3200017824. Its totient is φ = 1333340720.

The previous prime is 2200012219. The next prime is 2200012231. The reversal of 2200012221 is 1222100022.

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 2200012221 - 2¹ = 2200012219 is a prime.

2200012221 is a modest number, since divided by 12221 gives 22 as remainder.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2200012197 and 2200012206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2200012231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33333486 + ... + 33333551.

It is an arithmetic number, because the mean of its divisors is an integer number (400002228).

Almost surely, 2^2200012221 is an apocalyptic number.

It is an amenable number.

2200012221 is a deficient number, since it is larger than the sum of its proper divisors (1000005603).

2200012221 is a wasteful number, since it uses less digits than its factorization.

2200012221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66667051.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 2200012221 is about 46904.2878743511. The cubic root of 2200012221 is about 1300.5938551088.

Adding to 2200012221 its reverse (1222100022), we get a palindrome (3422112243).

It can be divided in two parts, 220001 and 2221, that added together give a palindrome (222222).

The spelling of 2200012221 in words is "two billion, two hundred million, twelve thousand, two hundred twenty-one".