2221400001 has 8 divisors (see below), whose sum is σ = 3002440480. Its totient is φ = 1460646432.

The previous prime is 2221399993. The next prime is 2221400003. The reversal of 2221400001 is 1000041222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2221400001 - 2³ = 2221399993 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2221400001.

It is not an unprimeable number, because it can be changed into a prime (2221400003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5071471 + ... + 5071908.

It is an arithmetic number, because the mean of its divisors is an integer number (375305060).

Almost surely, 2^2221400001 is an apocalyptic number.

It is an amenable number.

2221400001 is a deficient number, since it is larger than the sum of its proper divisors (781040479).

2221400001 is a wasteful number, since it uses less digits than its factorization.

2221400001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10143455.

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

The square root of 2221400001 is about 47131.7302992368. The cubic root of 2221400001 is about 1304.7949161729.

Adding to 2221400001 its reverse (1000041222), we get a palindrome (3221441223).

The spelling of 2221400001 in words is "two billion, two hundred twenty-one million, four hundred thousand, one".