1220237336 has 16 divisors (see below), whose sum is σ = 2305962240. Its totient is φ = 605314080.

The previous prime is 1220237329. The next prime is 1220237341. The reversal of 1220237336 is 6337320221.

It is a junction number, because it is equal to n+sod(n) for n = 1220237299 and 1220237308.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 599495 + ... + 601526.

It is an arithmetic number, because the mean of its divisors is an integer number (144122640).

Almost surely, 2^1220237336 is an apocalyptic number.

It is an amenable number.

1220237336 is a deficient number, since it is larger than the sum of its proper divisors (1085724904).

1220237336 is a wasteful number, since it uses less digits than its factorization.

1220237336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1201154 (or 1201150 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 29.

The square root of 1220237336 is about 34931.8956828856. The cubic root of 1220237336 is about 1068.5990154300.

Adding to 1220237336 its reverse (6337320221), we get a palindrome (7557557557).

The spelling of 1220237336 in words is "one billion, two hundred twenty million, two hundred thirty-seven thousand, three hundred thirty-six".