1226552343 has 16 divisors (see below), whose sum is σ = 1663983360. Its totient is φ = 803525184.

The previous prime is 1226552323. The next prime is 1226552347. The reversal of 1226552343 is 3432556221.

It is a happy number.

It is not a de Polignac number, because 1226552343 - 2¹² = 1226548247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1226552347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29430 + ... + 57612.

It is an arithmetic number, because the mean of its divisors is an integer number (103998960).

Almost surely, 2^1226552343 is an apocalyptic number.

1226552343 is a deficient number, since it is larger than the sum of its proper divisors (437431017).

1226552343 is a wasteful number, since it uses less digits than its factorization.

1226552343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28438.

The product of its digits is 43200, while the sum is 33.

The square root of 1226552343 is about 35022.1693074544. The cubic root of 1226552343 is about 1070.4392591930.

The spelling of 1226552343 in words is "one billion, two hundred twenty-six million, five hundred fifty-two thousand, three hundred forty-three".