1222337905 has 8 divisors (see below), whose sum is σ = 1514121984. Its totient is φ = 946326000.

The previous prime is 1222337873. The next prime is 1222337923. The reversal of 1222337905 is 5097332221.

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

It is not a de Polignac number, because 1222337905 - 2⁵ = 1222337873 is a prime.

It is a Duffinian 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, 3942871 + ... + 3943180.

It is an arithmetic number, because the mean of its divisors is an integer number (189265248).

Almost surely, 2^1222337905 is an apocalyptic number.

It is an amenable number.

1222337905 is a deficient number, since it is larger than the sum of its proper divisors (291784079).

1222337905 is an equidigital number, since it uses as much as digits as its factorization.

1222337905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7886087.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 1222337905 is about 34961.9493878702. The cubic root of 1222337905 is about 1069.2118413418.

The spelling of 1222337905 in words is "one billion, two hundred twenty-two million, three hundred thirty-seven thousand, nine hundred five".