1220300216 has 8 divisors (see below), whose sum is σ = 2288062920. Its totient is φ = 610150104.

The previous prime is 1220300197. The next prime is 1220300227. The reversal of 1220300216 is 6120030221.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 1220300194 and 1220300203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76268756 + ... + 76268771.

It is an arithmetic number, because the mean of its divisors is an integer number (286007865).

Almost surely, 2^1220300216 is an apocalyptic number.

It is an amenable number.

1220300216 is a deficient number, since it is larger than the sum of its proper divisors (1067762704).

1220300216 is a wasteful number, since it uses less digits than its factorization.

1220300216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152537533 (or 152537529 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1220300216 is about 34932.7957083312. The cubic root of 1220300216 is about 1068.6173704253.

Adding to 1220300216 its reverse (6120030221), we get a palindrome (7340330437).

The spelling of 1220300216 in words is "one billion, two hundred twenty million, three hundred thousand, two hundred sixteen".