1228807834 has 8 divisors (see below), whose sum is σ = 1862214228. Its totient is φ = 608069760.

The previous prime is 1228807831. The next prime is 1228807847. The reversal of 1228807834 is 4387088221.

It can be written as a sum of positive squares in 2 ways, for example, as 1099917225 + 128890609 = 33165^2 + 11353^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1228807831) 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, 3166837 + ... + 3167224.

Almost surely, 2^1228807834 is an apocalyptic number.

1228807834 is a deficient number, since it is larger than the sum of its proper divisors (633406394).

1228807834 is an equidigital number, since it uses as much as digits as its factorization.

1228807834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6334160.

The product of its (nonzero) digits is 172032, while the sum is 43.

The square root of 1228807834 is about 35054.3554212597. The cubic root of 1228807834 is about 1071.0949963149.

The spelling of 1228807834 in words is "one billion, two hundred twenty-eight million, eight hundred seven thousand, eight hundred thirty-four".