2201421002 has 12 divisors (see below), whose sum is σ = 3629616018. Its totient is φ = 1000645800.

The previous prime is 2201420993. The next prime is 2201421017. The reversal of 2201421002 is 2001241022.

It can be written as a sum of positive squares in only one way, i.e., 2145635041 + 55785961 = 46321^2 + 7469^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4548149 + ... + 4548632.

Almost surely, 2^2201421002 is an apocalyptic number.

2201421002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2201421002 is a deficient number, since it is larger than the sum of its proper divisors (1428195016).

2201421002 is a wasteful number, since it uses less digits than its factorization.

2201421002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9096805 (or 9096794 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 2201421002 is about 46919.3030851909. The cubic root of 2201421002 is about 1300.8714082572.

Adding to 2201421002 its reverse (2001241022), we get a palindrome (4202662024).

The spelling of 2201421002 in words is "two billion, two hundred one million, four hundred twenty-one thousand, two".