1222224355 has 8 divisors (see below), whose sum is σ = 1600002864. Its totient is φ = 888890400.

The previous prime is 1222224349. The next prime is 1222224371. The reversal of 1222224355 is 5534222221.

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

It is a de Polignac number, because none of the positive numbers 2^k-1222224355 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11111076 + ... + 11111185.

It is an arithmetic number, because the mean of its divisors is an integer number (200000358).

Almost surely, 2^1222224355 is an apocalyptic number.

1222224355 is a deficient number, since it is larger than the sum of its proper divisors (377778509).

1222224355 is a wasteful number, since it uses less digits than its factorization.

1222224355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22222277.

The product of its digits is 9600, while the sum is 28.

The square root of 1222224355 is about 34960.3254418491. The cubic root of 1222224355 is about 1069.1787319035.

Adding to 1222224355 its reverse (5534222221), we get a palindrome (6756446576).

The spelling of 1222224355 in words is "one billion, two hundred twenty-two million, two hundred twenty-four thousand, three hundred fifty-five".