1222635224 has 8 divisors (see below), whose sum is σ = 2292441060. Its totient is φ = 611317608.

The previous prime is 1222635221. The next prime is 1222635247. The reversal of 1222635224 is 4225362221.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222635221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76414694 + ... + 76414709.

Almost surely, 2^1222635224 is an apocalyptic number.

It is an amenable number.

1222635224 is a deficient number, since it is larger than the sum of its proper divisors (1069805836).

1222635224 is a wasteful number, since it uses less digits than its factorization.

1222635224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152829409 (or 152829405 counting only the distinct ones).

The product of its digits is 11520, while the sum is 29.

The square root of 1222635224 is about 34966.2011662691. The cubic root of 1222635224 is about 1069.2985252892.

Adding to 1222635224 its reverse (4225362221), we get a palindrome (5447997445).

The spelling of 1222635224 in words is "one billion, two hundred twenty-two million, six hundred thirty-five thousand, two hundred twenty-four".