2212249645 has 8 divisors (see below), whose sum is σ = 2655557856. Its totient is φ = 1769227536.

The previous prime is 2212249631. The next prime is 2212249679. The reversal of 2212249645 is 5469422122.

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 2212249645 - 2⁹ = 2212249133 is a prime.

It is a super-3 number, since 3×2212249645³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 54127 + ... + 85756.

It is an arithmetic number, because the mean of its divisors is an integer number (331944732).

Almost surely, 2^2212249645 is an apocalyptic number.

It is an amenable number.

2212249645 is a deficient number, since it is larger than the sum of its proper divisors (443308211).

2212249645 is a wasteful number, since it uses less digits than its factorization.

2212249645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143051.

The product of its digits is 69120, while the sum is 37.

The square root of 2212249645 is about 47034.5579866549. The cubic root of 2212249645 is about 1303.0008870250. Note that the first 3 decimals are identical.

The spelling of 2212249645 in words is "two billion, two hundred twelve million, two hundred forty-nine thousand, six hundred forty-five".