1226076216 has 64 divisors (see below), whose sum is σ = 3158438400. Its totient is φ = 396415488.

The previous prime is 1226076211. The next prime is 1226076221. The reversal of 1226076216 is 6126706221.

It is an interprime number because it is at equal distance from previous prime (1226076211) and next prime (1226076221).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1226076211) by changing a digit.

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, 122655 + ... + 132273.

It is an arithmetic number, because the mean of its divisors is an integer number (49350600).

Almost surely, 2^1226076216 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 1226076216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1579219200).

1226076216 is an abundant number, since it is smaller than the sum of its proper divisors (1932362184).

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

1226076216 is a wasteful number, since it uses less digits than its factorization.

1226076216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9788 (or 9784 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 1226076216 is about 35015.3711389727. The cubic root of 1226076216 is about 1070.3007324251.

The spelling of 1226076216 in words is "one billion, two hundred twenty-six million, seventy-six thousand, two hundred sixteen".