1222104505 has 16 divisors (see below), whose sum is σ = 1505047104. Its totient is φ = 952136640.

The previous prime is 1222104503. The next prime is 1222104509. The reversal of 1222104505 is 5054012221.

It is not a de Polignac number, because 1222104505 - 2¹ = 1222104503 is a prime.

It is a super-2 number, since 2×1222104505² = 2987078842282590050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1222104503) 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, 66415 + ... + 82795.

It is an arithmetic number, because the mean of its divisors is an integer number (94065444).

Almost surely, 2^1222104505 is an apocalyptic number.

It is an amenable number.

1222104505 is a deficient number, since it is larger than the sum of its proper divisors (282942599).

1222104505 is a wasteful number, since it uses less digits than its factorization.

1222104505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16776.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 1222104505 is about 34958.6113139524. The cubic root of 1222104505 is about 1069.1437832573.

Adding to 1222104505 its reverse (5054012221), we get a palindrome (6276116726).

The spelling of 1222104505 in words is "one billion, two hundred twenty-two million, one hundred four thousand, five hundred five".