1222324555 has 8 divisors (see below), whose sum is σ = 1474470144. Its totient is φ = 972739200.

The previous prime is 1222324553. The next prime is 1222324589. The reversal of 1222324555 is 5554232221.

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

It is not a de Polignac number, because 1222324555 - 2¹ = 1222324553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1222324553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 639006 + ... + 640915.

It is an arithmetic number, because the mean of its divisors is an integer number (184308768).

Almost surely, 2^1222324555 is an apocalyptic number.

1222324555 is a deficient number, since it is larger than the sum of its proper divisors (252145589).

1222324555 is a wasteful number, since it uses less digits than its factorization.

1222324555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1280117.

The product of its digits is 24000, while the sum is 31.

The square root of 1222324555 is about 34961.7584655006. The cubic root of 1222324555 is about 1069.2079487929.

Adding to 1222324555 its reverse (5554232221), we get a palindrome (6776556776).

The spelling of 1222324555 in words is "one billion, two hundred twenty-two million, three hundred twenty-four thousand, five hundred fifty-five".