2212344636 has 24 divisors (see below), whose sum is σ = 5328658944. Its totient is φ = 713659440.

The previous prime is 2212344613. The next prime is 2212344647. The reversal of 2212344636 is 6364432122.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 2212344597 and 2212344606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2973210 + ... + 2973953.

It is an arithmetic number, because the mean of its divisors is an integer number (222027456).

Almost surely, 2^2212344636 is an apocalyptic number.

It is an amenable number.

2212344636 is an abundant number, since it is smaller than the sum of its proper divisors (3116314308).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2212344636 is a wasteful number, since it uses less digits than its factorization.

2212344636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5947201 (or 5947199 counting only the distinct ones).

The product of its digits is 41472, while the sum is 33.

The square root of 2212344636 is about 47035.5677758864. The cubic root of 2212344636 is about 1303.0195364551.

Adding to 2212344636 its reverse (6364432122), we get a palindrome (8576776758).

The spelling of 2212344636 in words is "two billion, two hundred twelve million, three hundred forty-four thousand, six hundred thirty-six".