1228436000 has 96 divisors (see below), whose sum is σ = 3292773120. Its totient is φ = 446688000.

The previous prime is 1228435993. The next prime is 1228436021. The reversal of 1228436000 is 6348221.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30041 + ... + 57959.

It is an arithmetic number, because the mean of its divisors is an integer number (34299720).

Almost surely, 2^1228436000 is an apocalyptic number.

1228436000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1228436000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1646386560).

1228436000 is an abundant number, since it is smaller than the sum of its proper divisors (2064337120).

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

1228436000 is a wasteful number, since it uses less digits than its factorization.

1228436000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27955 (or 27937 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 1228436000 is about 35049.0513423687. The cubic root of 1228436000 is about 1070.9869485783.

It can be divided in two parts, 12284 and 36000, that added together give a palindrome (48284).

The spelling of 1228436000 in words is "one billion, two hundred twenty-eight million, four hundred thirty-six thousand".