1222115235 has 64 divisors (see below), whose sum is σ = 2236502016. Its totient is φ = 564080000.

The previous prime is 1222115233. The next prime is 1222115239. The reversal of 1222115235 is 5325112221.

It is not a de Polignac number, because 1222115235 - 2¹ = 1222115233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1222115231) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 951904 + ... + 953186.

It is an arithmetic number, because the mean of its divisors is an integer number (34945344).

Almost surely, 2^1222115235 is an apocalyptic number.

1222115235 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1222115235 is a deficient number, since it is larger than the sum of its proper divisors (1014386781).

1222115235 is a wasteful number, since it uses less digits than its factorization.

1222115235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1576.

The product of its digits is 1200, while the sum is 24.

The square root of 1222115235 is about 34958.7647808100. The cubic root of 1222115235 is about 1069.1469122530.

Adding to 1222115235 its reverse (5325112221), we get a palindrome (6547227456).

The spelling of 1222115235 in words is "one billion, two hundred twenty-two million, one hundred fifteen thousand, two hundred thirty-five".