2220406001 has 8 divisors (see below), whose sum is σ = 2487728064. Its totient is φ = 1963995120.

The previous prime is 2220405997. The next prime is 2220406021. The reversal of 2220406001 is 1006040222.

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 2220406001 - 2² = 2220405997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2220406021) 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, 2727365 + ... + 2728178.

It is an arithmetic number, because the mean of its divisors is an integer number (310966008).

Almost surely, 2^2220406001 is an apocalyptic number.

It is an amenable number.

2220406001 is a deficient number, since it is larger than the sum of its proper divisors (267322063).

2220406001 is a wasteful number, since it uses less digits than its factorization.

2220406001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5455591.

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

The square root of 2220406001 is about 47121.1842062570. The cubic root of 2220406001 is about 1304.6002702074.

Adding to 2220406001 its reverse (1006040222), we get a palindrome (3226446223).

The spelling of 2220406001 in words is "two billion, two hundred twenty million, four hundred six thousand, one".