222130212112009 has 16 divisors (see below), whose sum is σ = 230984785743120. Its totient is φ = 213355340513280.

The previous prime is 222130212112007. The next prime is 222130212112013. The reversal of 222130212112009 is 900211212031222.

It can be written as a sum of positive squares in 8 ways, for example, as 8764945119225 + 213365266992784 = 2960565^2 + 14607028^2 .

It is a cyclic number.

It is not a de Polignac number, because 222130212112009 - 2¹ = 222130212112007 is a prime.

It is a super-2 number, since 2×222130212112009² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222130212112007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 326978839 + ... + 327657475.

It is an arithmetic number, because the mean of its divisors is an integer number (14436549108945).

Almost surely, 2^{222130212112009} is an apocalyptic number.

222130212112009 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

222130212112009 is a deficient number, since it is larger than the sum of its proper divisors (8854573631111).

222130212112009 is a wasteful number, since it uses less digits than its factorization.

222130212112009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 737340.

The product of its (nonzero) digits is 1728, while the sum is 28.

The spelling of 222130212112009 in words is "two hundred twenty-two trillion, one hundred thirty billion, two hundred twelve million, one hundred twelve thousand, nine".