1000002201 has 24 divisors (see below), whose sum is σ = 1478598240. Its totient is φ = 600673920.

The previous prime is 1000002193. The next prime is 1000002233. The reversal of 1000002201 is 1022000001.

It is a happy number.

It is not a de Polignac number, because 1000002201 - 2³ = 1000002193 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1000002201.

It is not an unprimeable number, because it can be changed into a prime (1000702201) 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 23 ways as a sum of consecutive naturals, for example, 28830 + ... + 53208.

It is an arithmetic number, because the mean of its divisors is an integer number (61608260).

Almost surely, 2^1000002201 is an apocalyptic number.

1000002201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1000002201 is a deficient number, since it is larger than the sum of its proper divisors (478596039).

1000002201 is a wasteful number, since it uses less digits than its factorization.

1000002201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24517 (or 24506 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 6.

The square root of 1000002201 is about 31622.8114025303. The cubic root of 1000002201 is about 1000.0007336661. Note that the first 3 decimals are identical.

Adding to 1000002201 its reverse (1022000001), we get a palindrome (2022002202).

It can be divided in two parts, 100000 and 2201, that added together give a palindrome (102201).

The spelling of 1000002201 in words is "one billion, two thousand, two hundred one".