22220020210 has 16 divisors (see below), whose sum is σ = 40082803992. Its totient is φ = 8868726400.

The previous prime is 22220020177. The next prime is 22220020213. The reversal of 22220020210 is 1202002222.

It can be written as a sum of positive squares in 4 ways, for example, as 21485989561 + 734030649 = 146581^2 + 27093^2 .

It is not an unprimeable number, because it can be changed into a prime (22220020213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2405371 + ... + 2414590.

Almost surely, 2^22220020210 is an apocalyptic number.

22220020210 is a deficient number, since it is larger than the sum of its proper divisors (17862783782).

22220020210 is a wasteful number, since it uses less digits than its factorization.

22220020210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4820429.

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

Adding to 22220020210 its reverse (1202002222), we get a palindrome (23422022432).

The spelling of 22220020210 in words is "twenty-two billion, two hundred twenty million, twenty thousand, two hundred ten".