1226883785 has 8 divisors (see below), whose sum is σ = 1472827776. Its totient is φ = 981128880.

The previous prime is 1226883781. The next prime is 1226883787. The reversal of 1226883785 is 5873886221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1226883785 - 2² = 1226883781 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1226883781) 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 7 ways as a sum of consecutive naturals, for example, 32579 + ... + 59288.

It is an arithmetic number, because the mean of its divisors is an integer number (184103472).

Almost surely, 2^1226883785 is an apocalyptic number.

It is an amenable number.

1226883785 is a deficient number, since it is larger than the sum of its proper divisors (245943991).

1226883785 is an equidigital number, since it uses as much as digits as its factorization.

1226883785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94543.

The product of its digits is 1290240, while the sum is 50.

The square root of 1226883785 is about 35026.9008763265. The cubic root of 1226883785 is about 1070.5356694219.

The spelling of 1226883785 in words is "one billion, two hundred twenty-six million, eight hundred eighty-three thousand, seven hundred eighty-five".