22202121202 has 8 divisors (see below), whose sum is σ = 33309470700. Its totient is φ = 11098964304.

The previous prime is 22202121199. The next prime is 22202121209. The reversal of 22202121202 is 20212120222.

It can be written as a sum of positive squares in 2 ways, for example, as 21240439081 + 961682121 = 145741^2 + 31011^2 .

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

It is not an unprimeable number, because it can be changed into a prime (22202121209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1034877 + ... + 1056112.

Almost surely, 2^22202121202 is an apocalyptic number.

22202121202 is a deficient number, since it is larger than the sum of its proper divisors (11107349498).

22202121202 is a wasteful number, since it uses less digits than its factorization.

22202121202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2096300.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 22202121202 its reverse (20212120222), we get a palindrome (42414241424).

It can be divided in two parts, 22 and 202121202, that multiplied together give a palindrome (4446666444).

The spelling of 22202121202 in words is "twenty-two billion, two hundred two million, one hundred twenty-one thousand, two hundred two".