1226405433 has 16 divisors (see below), whose sum is σ = 1793836800. Its totient is φ = 739120080.

The previous prime is 1226405419. The next prime is 1226405443. The reversal of 1226405433 is 3345046221.

It is not a de Polignac number, because 1226405433 - 2²⁰ = 1225356857 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1226405433.

It is not an unprimeable number, because it can be changed into a prime (1226405443) 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, 97903 + ... + 109716.

It is an arithmetic number, because the mean of its divisors is an integer number (112114800).

Almost surely, 2^1226405433 is an apocalyptic number.

It is an amenable number.

1226405433 is a deficient number, since it is larger than the sum of its proper divisors (567431367).

1226405433 is a wasteful number, since it uses less digits than its factorization.

1226405433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207812.

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 1226405433 is about 35020.0718588640. The cubic root of 1226405433 is about 1070.3965202884.

The spelling of 1226405433 in words is "one billion, two hundred twenty-six million, four hundred five thousand, four hundred thirty-three".