202222021220210 has 32 divisors (see below), whose sum is σ = 368302703986800. Its totient is φ = 79938083099392.

The previous prime is 202222021220039. The next prime is 202222021220221. The reversal of 202222021220210 is 12022120222202.

It can be written as a sum of positive squares in 8 ways, for example, as 91582737192769 + 110639284027441 = 9569887^2 + 10518521^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 344172149 + ... + 344759208.

Almost surely, 2^{202222021220210} is an apocalyptic number.

202222021220210 is a deficient number, since it is larger than the sum of its proper divisors (166080682766590).

202222021220210 is a wasteful number, since it uses less digits than its factorization.

202222021220210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688931710.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 202222021220210 its reverse (12022120222202), we get a palindrome (214244141442412).

The spelling of 202222021220210 in words is "two hundred two trillion, two hundred twenty-two billion, twenty-one million, two hundred twenty thousand, two hundred ten".