1222077115 has 16 divisors (see below), whose sum is σ = 1677017088. Its totient is φ = 837482976.

The previous prime is 1222077091. The next prime is 1222077179. The reversal of 1222077115 is 5117702221.

It is a cyclic number.

It is not a de Polignac number, because 1222077115 - 2²⁷ = 1087859387 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52614 + ... + 72196.

It is an arithmetic number, because the mean of its divisors is an integer number (104813568).

Almost surely, 2^1222077115 is an apocalyptic number.

1222077115 is a deficient number, since it is larger than the sum of its proper divisors (454939973).

1222077115 is a wasteful number, since it uses less digits than its factorization.

1222077115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21378.

The product of its (nonzero) digits is 1960, while the sum is 28.

The square root of 1222077115 is about 34958.2195627867. The cubic root of 1222077115 is about 1069.1357959243.

Adding to 1222077115 its reverse (5117702221), we get a palindrome (6339779336).

The spelling of 1222077115 in words is "one billion, two hundred twenty-two million, seventy-seven thousand, one hundred fifteen".