1222037805 has 8 divisors (see below), whose sum is σ = 1955260512. Its totient is φ = 651753488.

The previous prime is 1222037797. The next prime is 1222037819. The reversal of 1222037805 is 5087302221.

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

It is a cyclic number.

It is not a de Polignac number, because 1222037805 - 2³ = 1222037797 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40734579 + ... + 40734608.

It is an arithmetic number, because the mean of its divisors is an integer number (244407564).

Almost surely, 2^1222037805 is an apocalyptic number.

1222037805 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1222037805 is a deficient number, since it is larger than the sum of its proper divisors (733222707).

1222037805 is an equidigital number, since it uses as much as digits as its factorization.

1222037805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81469195.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 1222037805 is about 34957.6573156726. The cubic root of 1222037805 is about 1069.1243323327.

The spelling of 1222037805 in words is "one billion, two hundred twenty-two million, thirty-seven thousand, eight hundred five".