1004220001 has 16 divisors (see below), whose sum is σ = 1038749184. Its totient is φ = 970330624.

The previous prime is 1004219999. The next prime is 1004220013. The reversal of 1004220001 is 1000224001.

It is a cyclic number.

It is not a de Polignac number, because 1004220001 - 2¹ = 1004219999 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 1004220001.

It is not an unprimeable number, because it can be changed into a prime (1004220031) 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, 1693161 + ... + 1693753.

It is an arithmetic number, because the mean of its divisors is an integer number (64921824).

Almost surely, 2^1004220001 is an apocalyptic number.

It is an amenable number.

1004220001 is a deficient number, since it is larger than the sum of its proper divisors (34529183).

1004220001 is a wasteful number, since it uses less digits than its factorization.

1004220001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1040.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 1004220001 is about 31689.4304303501. The cubic root of 1004220001 is about 1001.4046929139.

Adding to 1004220001 its reverse (1000224001), we get a palindrome (2004444002).

The spelling of 1004220001 in words is "one billion, four million, two hundred twenty thousand, one".