2221020202 has 8 divisors (see below), whose sum is σ = 3337622496. Its totient is φ = 1108479372.

The previous prime is 2221020161. The next prime is 2221020227. The reversal of 2221020202 is 2020201222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1013998 + ... + 1016185.

It is an arithmetic number, because the mean of its divisors is an integer number (417202812).

Almost surely, 2^2221020202 is an apocalyptic number.

2221020202 is a deficient number, since it is larger than the sum of its proper divisors (1116602294).

2221020202 is a wasteful number, since it uses less digits than its factorization.

2221020202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2030732.

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 2221020202 is about 47127.7010048231. The cubic root of 2221020202 is about 1304.7205504502.

Adding to 2221020202 its reverse (2020201222), we get a palindrome (4241221424).

It can be divided in two parts, 2221020 and 202, that added together give a palindrome (2221222).

The spelling of 2221020202 in words is "two billion, two hundred twenty-one million, twenty thousand, two hundred two".