1222102409 has 16 divisors (see below), whose sum is σ = 1413904896. Its totient is φ = 1043961600.

The previous prime is 1222102403. The next prime is 1222102463. The reversal of 1222102409 is 9042012221.

It is not a de Polignac number, because 1222102409 - 2⁴ = 1222102393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1222102403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118664 + ... + 128550.

It is an arithmetic number, because the mean of its divisors is an integer number (88369056).

Almost surely, 2^1222102409 is an apocalyptic number.

It is an amenable number.

1222102409 is a deficient number, since it is larger than the sum of its proper divisors (191802487).

1222102409 is a wasteful number, since it uses less digits than its factorization.

1222102409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10576.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 1222102409 is about 34958.5813356320. The cubic root of 1222102409 is about 1069.1431720366.

The spelling of 1222102409 in words is "one billion, two hundred twenty-two million, one hundred two thousand, four hundred nine".