1220302210 has 32 divisors (see below), whose sum is σ = 2251093680. Its totient is φ = 476107008.

The previous prime is 1220302207. The next prime is 1220302231. The reversal of 1220302210 is 122030221.

It can be written as a sum of positive squares in 8 ways, for example, as 529506121 + 690796089 = 23011^2 + 26283^2 .

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 15 ways as a sum of consecutive naturals, for example, 85036 + ... + 98344.

Almost surely, 2^1220302210 is an apocalyptic number.

1220302210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220302210 is a deficient number, since it is larger than the sum of its proper divisors (1030791470).

1220302210 is a wasteful number, since it uses less digits than its factorization.

1220302210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13542.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1220302210 is about 34932.8242488351. The cubic root of 1220302210 is about 1068.6179524739.

Adding to 1220302210 its reverse (122030221), we get a palindrome (1342332431).

The spelling of 1220302210 in words is "one billion, two hundred twenty million, three hundred two thousand, two hundred ten".