2212505444 has 12 divisors (see below), whose sum is σ = 3872328684. Its totient is φ = 1106125824.

The previous prime is 2212505431. The next prime is 2212505453. The reversal of 2212505444 is 4445052122.

It can be written as a sum of positive squares in 2 ways, for example, as 1839552100 + 372953344 = 42890^2 + 19312^2 .

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

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 3 ways as a sum of consecutive naturals, for example, 15224 + ... + 68240.

It is an arithmetic number, because the mean of its divisors is an integer number (322694057).

Almost surely, 2^2212505444 is an apocalyptic number.

It is an amenable number.

2212505444 is a deficient number, since it is larger than the sum of its proper divisors (1659823240).

2212505444 is a wasteful number, since it uses less digits than its factorization.

2212505444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63454 (or 63452 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 29.

The square root of 2212505444 is about 47037.2771745984. The cubic root of 2212505444 is about 1303.0511064142.

Adding to 2212505444 its reverse (4445052122), we get a palindrome (6657557566).

The spelling of 2212505444 in words is "two billion, two hundred twelve million, five hundred five thousand, four hundred forty-four".