2202120202 has 4 divisors (see below), whose sum is σ = 3303180306. Its totient is φ = 1101060100.

The previous prime is 2202120199. The next prime is 2202120203. The reversal of 2202120202 is 2020212022.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1732141161 + 469979041 = 41619^2 + 21679^2 .

It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (2202120203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550530049 + ... + 550530052.

Almost surely, 2^2202120202 is an apocalyptic number.

2202120202 is a deficient number, since it is larger than the sum of its proper divisors (1101060104).

2202120202 is a wasteful number, since it uses less digits than its factorization.

2202120202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1101060103.

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

The square root of 2202120202 is about 46926.7535847090. The cubic root of 2202120202 is about 1301.0091182497.

Adding to 2202120202 its reverse (2020212022), we get a palindrome (4222332224).

It can be divided in two parts, 220212020 and 2, that added together give a palindrome (220212022).

The spelling of 2202120202 in words is "two billion, two hundred two million, one hundred twenty thousand, two hundred two".