2212353645 has 32 divisors (see below), whose sum is σ = 3644524800. Its totient is φ = 1145295360.

The previous prime is 2212353643. The next prime is 2212353697. The reversal of 2212353645 is 5463532122.

It is a happy number.

It is not a de Polignac number, because 2212353645 - 2¹ = 2212353643 is a prime.

It is a super-3 number, since 3×2212353645³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2212353643) 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 31 ways as a sum of consecutive naturals, for example, 113347 + ... + 131423.

It is an arithmetic number, because the mean of its divisors is an integer number (113891400).

Almost surely, 2^2212353645 is an apocalyptic number.

It is an amenable number.

2212353645 is a deficient number, since it is larger than the sum of its proper divisors (1432171155).

2212353645 is a wasteful number, since it uses less digits than its factorization.

2212353645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18325.

The product of its digits is 43200, while the sum is 33.

The square root of 2212353645 is about 47035.6635437409. The cubic root of 2212353645 is about 1303.0213051499.

Adding to 2212353645 its reverse (5463532122), we get a palindrome (7675885767).

The spelling of 2212353645 in words is "two billion, two hundred twelve million, three hundred fifty-three thousand, six hundred forty-five".