1117222556 has 24 divisors (see below), whose sum is σ = 1973368320. Its totient is φ = 553416192.

The previous prime is 1117222523. The next prime is 1117222583. The reversal of 1117222556 is 6552227111.

It is a congruent 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, 523700 + ... + 525828.

It is an arithmetic number, because the mean of its divisors is an integer number (82223680).

Almost surely, 2^1117222556 is an apocalyptic number.

It is an amenable number.

1117222556 is a deficient number, since it is larger than the sum of its proper divisors (856145764).

1117222556 is a wasteful number, since it uses less digits than its factorization.

1117222556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3293 (or 3291 counting only the distinct ones).

The product of its digits is 8400, while the sum is 32.

The square root of 1117222556 is about 33424.8792967155. The cubic root of 1117222556 is about 1037.6396656415.

Adding to 1117222556 its reverse (6552227111), we get a palindrome (7669449667).

The spelling of 1117222556 in words is "one billion, one hundred seventeen million, two hundred twenty-two thousand, five hundred fifty-six".