2221021202 has 16 divisors (see below), whose sum is σ = 3649143960. Its totient is φ = 1009145088.

The previous prime is 2221021189. The next prime is 2221021249. The reversal of 2221021202 is 2021201222.

It can be written as a sum of positive squares in 4 ways, for example, as 2019693481 + 201327721 = 44941^2 + 14189^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1125293 + ... + 1127264.

Almost surely, 2^2221021202 is an apocalyptic number.

2221021202 is a deficient number, since it is larger than the sum of its proper divisors (1428122758).

2221021202 is a wasteful number, since it uses less digits than its factorization.

2221021202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2252605.

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

The square root of 2221021202 is about 47127.7116142933. The cubic root of 2221021202 is about 1304.7207462642.

Adding to 2221021202 its reverse (2021201222), we get a palindrome (4242222424).

The spelling of 2221021202 in words is "two billion, two hundred twenty-one million, twenty-one thousand, two hundred two".