1222366553 has 8 divisors (see below), whose sum is σ = 1250795520. Its totient is φ = 1194038560.

The previous prime is 1222366517. The next prime is 1222366571. The reversal of 1222366553 is 3556632221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1222366553 - 2⁶ = 1222366489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1222366513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 473 + ... + 49446.

It is an arithmetic number, because the mean of its divisors is an integer number (156349440).

Almost surely, 2^1222366553 is an apocalyptic number.

It is an amenable number.

1222366553 is a deficient number, since it is larger than the sum of its proper divisors (28428967).

1222366553 is an equidigital number, since it uses as much as digits as its factorization.

1222366553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50487.

The product of its digits is 64800, while the sum is 35.

The square root of 1222366553 is about 34962.3590880249. The cubic root of 1222366553 is about 1069.2201943352.

Adding to 1222366553 its reverse (3556632221), we get a palindrome (4778998774).

The spelling of 1222366553 in words is "one billion, two hundred twenty-two million, three hundred sixty-six thousand, five hundred fifty-three".