1228046208 has 64 divisors (see below), whose sum is σ = 3298741200. Its totient is φ = 404738048.

The previous prime is 1228046203. The next prime is 1228046213. The reversal of 1228046208 is 8026408221.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1228046203) and next prime (1228046213).

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1228046201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16210 + ... + 52142.

Almost surely, 2^1228046208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1228046208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1649370600).

1228046208 is an abundant number, since it is smaller than the sum of its proper divisors (2070694992).

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

1228046208 is an equidigital number, since it uses as much as digits as its factorization.

1228046208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36039 (or 36027 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 33.

The square root of 1228046208 is about 35043.4902371325. The cubic root of 1228046208 is about 1070.8736591851.

The spelling of 1228046208 in words is "one billion, two hundred twenty-eight million, forty-six thousand, two hundred eight".