1226276352 has 180 divisors, whose sum is σ = 4117689576. Its totient is φ = 350300160.

The previous prime is 1226276347. The next prime is 1226276357. The reversal of 1226276352 is 2536726221.

1226276352 is a `hidden beast` number, since 1 + 22 + 627 + 6 + 3 + 5 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (1226276347) and next prime (1226276357).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1226276357) 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 17 ways as a sum of consecutive naturals, for example, 223077 + ... + 228507.

Almost surely, 2^1226276352 is an apocalyptic number.

1226276352 is a gapful number since it is divisible by the number (12) 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 1226276352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2058844788).

1226276352 is an abundant number, since it is smaller than the sum of its proper divisors (2891413224).

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

1226276352 is an equidigital number, since it uses as much as digits as its factorization.

1226276352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5469 (or 5443 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 1226276352 is about 35018.2288529846. The cubic root of 1226276352 is about 1070.3589653610.

The spelling of 1226276352 in words is "one billion, two hundred twenty-six million, two hundred seventy-six thousand, three hundred fifty-two".