1226342208 has 336 divisors, whose sum is σ = 4190049024. Its totient is φ = 313528320.

The previous prime is 1226342207. The next prime is 1226342239. The reversal of 1226342208 is 8022436221.

It is a tau number, because it is divible by the number of its divisors (336).

It is a super-2 number, since 2×1226342208² = 3007830422244630528, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1226342207) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 4525113 + ... + 4525383.

It is an arithmetic number, because the mean of its divisors is an integer number (12470384).

Almost surely, 2^1226342208 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 1226342208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2095024512).

1226342208 is an abundant number, since it is smaller than the sum of its proper divisors (2963706816).

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

1226342208 is a wasteful number, since it uses less digits than its factorization.

1226342208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350 (or 333 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 1226342208 is about 35019.1691506238. The cubic root of 1226342208 is about 1070.3781258866.

Adding to 1226342208 its reverse (8022436221), we get a palindrome (9248778429).

The spelling of 1226342208 in words is "one billion, two hundred twenty-six million, three hundred forty-two thousand, two hundred eight".