1222224028 has 12 divisors (see below), whose sum is σ = 2160069912. Its totient is φ = 605061200.

The previous prime is 1222224013. The next prime is 1222224037. The reversal of 1222224028 is 8204222221.

It is a junction number, because it is equal to n+sod(n) for n = 1222223993 and 1222224011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1512250 + ... + 1513057.

It is an arithmetic number, because the mean of its divisors is an integer number (180005826).

Almost surely, 2^1222224028 is an apocalyptic number.

It is an amenable number.

1222224028 is a deficient number, since it is larger than the sum of its proper divisors (937845884).

1222224028 is a wasteful number, since it uses less digits than its factorization.

1222224028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3025412 (or 3025410 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 25.

The square root of 1222224028 is about 34960.3207651188. The cubic root of 1222224028 is about 1069.1786365524.

Adding to 1222224028 its reverse (8204222221), we get a palindrome (9426446249).

The spelling of 1222224028 in words is "one billion, two hundred twenty-two million, two hundred twenty-four thousand, twenty-eight".