2222220169 has 8 divisors (see below), whose sum is σ = 2415117320. Its totient is φ = 2032459776.

The previous prime is 2222220167. The next prime is 2222220181. The reversal of 2222220169 is 9610222222.

It can be written as a sum of positive squares in 4 ways, for example, as 28515600 + 2193704569 = 5340^2 + 46837^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2222220169 - 2¹ = 2222220167 is a prime.

It is a super-2 number, since 2×2222220169² = 9876524959020777122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2222220163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 782712 + ... + 785545.

It is an arithmetic number, because the mean of its divisors is an integer number (301889665).

Almost surely, 2^2222220169 is an apocalyptic number.

It is an amenable number.

2222220169 is a deficient number, since it is larger than the sum of its proper divisors (192897151).

2222220169 is a wasteful number, since it uses less digits than its factorization.

2222220169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1568379.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 2222220169 is about 47140.4303013878. The cubic root of 2222220169 is about 1304.9554784848.

The spelling of 2222220169 in words is "two billion, two hundred twenty-two million, two hundred twenty thousand, one hundred sixty-nine".