1222381229 has 8 divisors (see below), whose sum is σ = 1234118400. Its totient is φ = 1210660416.

The previous prime is 1222381211. The next prime is 1222381289. The reversal of 1222381229 is 9221832221.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1222381229 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1222381195 and 1222381204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222381289) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188804 + ... + 195170.

It is an arithmetic number, because the mean of its divisors is an integer number (154264800).

Almost surely, 2^1222381229 is an apocalyptic number.

It is an amenable number.

1222381229 is a deficient number, since it is larger than the sum of its proper divisors (11737171).

1222381229 is a wasteful number, since it uses less digits than its factorization.

1222381229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8179.

The product of its digits is 6912, while the sum is 32.

The square root of 1222381229 is about 34962.5689702573. The cubic root of 1222381229 is about 1069.2244734152.

The spelling of 1222381229 in words is "one billion, two hundred twenty-two million, three hundred eighty-one thousand, two hundred twenty-nine".