2212516069 has 4 divisors (see below), whose sum is σ = 2218892544. Its totient is φ = 2206139596.

The previous prime is 2212516067. The next prime is 2212516081. The reversal of 2212516069 is 9606152122.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2212516069 - 2¹ = 2212516067 is a prime.

It is a super-2 number, since 2×2212516069² = 9790454711166425522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212516067) 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 3 ways as a sum of consecutive naturals, for example, 3187717 + ... + 3188410.

It is an arithmetic number, because the mean of its divisors is an integer number (554723136).

Almost surely, 2^2212516069 is an apocalyptic number.

It is an amenable number.

2212516069 is a deficient number, since it is larger than the sum of its proper divisors (6376475).

2212516069 is an equidigital number, since it uses as much as digits as its factorization.

2212516069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6376474.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 2212516069 is about 47037.3901167996. The cubic root of 2212516069 is about 1303.0531922691.

The spelling of 2212516069 in words is "two billion, two hundred twelve million, five hundred sixteen thousand, sixty-nine".