202221001222209 has 12 divisors (see below), whose sum is σ = 292097796202836. Its totient is φ = 134813634151392.

The previous prime is 202221001222199. The next prime is 202221001222223. The reversal of 202221001222209 is 902222100122202.

202221001222209 is a `hidden beast` number, since 2 + 0 + 22 + 210 + 0 + 1 + 222 + 209 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 119761943216400 + 82459058005809 = 10943580^2 + 9080697^2 .

It is not a de Polignac number, because 202221001222209 - 2¹⁶ = 202221001156673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (202221001122209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27041074 + ... + 33699579.

It is an arithmetic number, because the mean of its divisors is an integer number (24341483016903).

Almost surely, 2^{202221001222209} is an apocalyptic number.

It is an amenable number.

202221001222209 is a deficient number, since it is larger than the sum of its proper divisors (89876794980627).

202221001222209 is a wasteful number, since it uses less digits than its factorization.

202221001222209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61110576 (or 61110573 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The spelling of 202221001222209 in words is "two hundred two trillion, two hundred twenty-one billion, one million, two hundred twenty-two thousand, two hundred nine".