1122217216 has 36 divisors (see below), whose sum is σ = 2357958400. Its totient is φ = 531574272.

The previous prime is 1122217207. The next prime is 1122217297. The reversal of 1122217216 is 6127122211.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110496 + ... + 120223.

Almost surely, 2^1122217216 is an apocalyptic number.

1122217216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1122217216 is an abundant number, since it is smaller than the sum of its proper divisors (1235741184).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1122217216 is an equidigital number, since it uses as much as digits as its factorization.

1122217216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230754 (or 230740 counting only the distinct ones).

The product of its digits is 672, while the sum is 25.

The square root of 1122217216 is about 33499.5106829936. The cubic root of 1122217216 is about 1039.1836591893.

Adding to 1122217216 its reverse (6127122211), we get a palindrome (7249339427).

The spelling of 1122217216 in words is "one billion, one hundred twenty-two million, two hundred seventeen thousand, two hundred sixteen".