2211220202 has 8 divisors (see below), whose sum is σ = 3317213412. Its totient is φ = 1105482400.

The previous prime is 2211220199. The next prime is 2211220213. The reversal of 2211220202 is 2020221122.

It can be written as a sum of positive squares in 2 ways, for example, as 2048377081 + 162843121 = 45259^2 + 12761^2 .

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, 40499 + ... + 77862.

Almost surely, 2^2211220202 is an apocalyptic number.

2211220202 is a deficient number, since it is larger than the sum of its proper divisors (1105993210).

2211220202 is a wasteful number, since it uses less digits than its factorization.

2211220202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127704.

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

The square root of 2211220202 is about 47023.6132384571. The cubic root of 2211220202 is about 1302.7987438866.

Adding to 2211220202 its reverse (2020221122), we get a palindrome (4231441324).

The spelling of 2211220202 in words is "two billion, two hundred eleven million, two hundred twenty thousand, two hundred two".