1222042415 has 16 divisors (see below), whose sum is σ = 1622301696. Its totient is φ = 876237600.

The previous prime is 1222042403. The next prime is 1222042421. The reversal of 1222042415 is 5142402221.

It is not a de Polignac number, because 1222042415 - 2¹⁰ = 1222041391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152567 + ... + 160376.

It is an arithmetic number, because the mean of its divisors is an integer number (101393856).

Almost surely, 2^1222042415 is an apocalyptic number.

1222042415 is a deficient number, since it is larger than the sum of its proper divisors (400259281).

1222042415 is a wasteful number, since it uses less digits than its factorization.

1222042415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313030.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 1222042415 is about 34957.7232525232. The cubic root of 1222042415 is about 1069.1256767147.

Adding to 1222042415 its reverse (5142402221), we get a palindrome (6364444636).

The spelling of 1222042415 in words is "one billion, two hundred twenty-two million, forty-two thousand, four hundred fifteen".