1220304106 has 8 divisors (see below), whose sum is σ = 2091949920. Its totient is φ = 522987468.

The previous prime is 1220304101. The next prime is 1220304121. The reversal of 1220304106 is 6014030221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1220304106² = 2978284222240918472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1220304101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43582276 + ... + 43582303.

It is an arithmetic number, because the mean of its divisors is an integer number (261493740).

Almost surely, 2^1220304106 is an apocalyptic number.

1220304106 is a deficient number, since it is larger than the sum of its proper divisors (871645814).

1220304106 is an equidigital number, since it uses as much as digits as its factorization.

1220304106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87164588.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1220304106 is about 34932.8513866246. The cubic root of 1220304106 is about 1068.6185059156.

Adding to 1220304106 its reverse (6014030221), we get a palindrome (7234334327).

The spelling of 1220304106 in words is "one billion, two hundred twenty million, three hundred four thousand, one hundred six".