1222245579 has 8 divisors (see below), whose sum is σ = 1629827280. Its totient is φ = 814747136.

The previous prime is 1222245559. The next prime is 1222245581. The reversal of 1222245579 is 9755422221.

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 1222245579 - 2⁹ = 1222245067 is a prime.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (1222245529) 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, 34267 + ... + 60155.

It is an arithmetic number, because the mean of its divisors is an integer number (203728410).

Almost surely, 2^1222245579 is an apocalyptic number.

1222245579 is a deficient number, since it is larger than the sum of its proper divisors (407581701).

1222245579 is a wasteful number, since it uses less digits than its factorization.

1222245579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41629.

The product of its digits is 100800, while the sum is 39.

The square root of 1222245579 is about 34960.6289846164. The cubic root of 1222245579 is about 1069.1849206522.

The spelling of 1222245579 in words is "one billion, two hundred twenty-two million, two hundred forty-five thousand, five hundred seventy-nine".