1222331224 has 8 divisors (see below), whose sum is σ = 2291871060. Its totient is φ = 611165608.

The previous prime is 1222331221. The next prime is 1222331249. The reversal of 1222331224 is 4221332221.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 1222331195 and 1222331204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222331221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76395694 + ... + 76395709.

Almost surely, 2^1222331224 is an apocalyptic number.

It is an amenable number.

1222331224 is a deficient number, since it is larger than the sum of its proper divisors (1069539836).

1222331224 is a wasteful number, since it uses less digits than its factorization.

1222331224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152791409 (or 152791405 counting only the distinct ones).

The product of its digits is 1152, while the sum is 22.

The square root of 1222331224 is about 34961.8538410079. The cubic root of 1222331224 is about 1069.2098933214.

Adding to 1222331224 its reverse (4221332221), we get a palindrome (5443663445).

The spelling of 1222331224 in words is "one billion, two hundred twenty-two million, three hundred thirty-one thousand, two hundred twenty-four".