2223212244 has 48 divisors (see below), whose sum is σ = 5841647616. Its totient is φ = 651967200.

The previous prime is 2223212219. The next prime is 2223212267. The reversal of 2223212244 is 4422123222.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 267562 + ... + 275745.

It is an arithmetic number, because the mean of its divisors is an integer number (121700992).

Almost surely, 2^2223212244 is an apocalyptic number.

It is an amenable number.

2223212244 is an abundant number, since it is smaller than the sum of its proper divisors (3618435372).

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

2223212244 is a wasteful number, since it uses less digits than its factorization.

2223212244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543356 (or 543354 counting only the distinct ones).

The product of its digits is 3072, while the sum is 24.

The square root of 2223212244 is about 47150.9516765038. The cubic root of 2223212244 is about 1305.1496418294.

Adding to 2223212244 its reverse (4422123222), we get a palindrome (6645335466).

The spelling of 2223212244 in words is "two billion, two hundred twenty-three million, two hundred twelve thousand, two hundred forty-four".