1225334211 has 16 divisors (see below), whose sum is σ = 1733529600. Its totient is φ = 767216768.

The previous prime is 1225334207. The next prime is 1225334237. The reversal of 1225334211 is 1124335221.

It is a cyclic number.

It is not a de Polignac number, because 1225334211 - 2² = 1225334207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1225334251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 651 + ... + 49508.

It is an arithmetic number, because the mean of its divisors is an integer number (108345600).

Almost surely, 2^1225334211 is an apocalyptic number.

1225334211 is a deficient number, since it is larger than the sum of its proper divisors (508195389).

1225334211 is a wasteful number, since it uses less digits than its factorization.

1225334211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50658.

The product of its digits is 1440, while the sum is 24.

The square root of 1225334211 is about 35004.7741172543. The cubic root of 1225334211 is about 1070.0847782712.

Adding to 1225334211 its reverse (1124335221), we get a palindrome (2349669432).

It can be divided in two parts, 12253 and 34211, that added together give a palindrome (46464).

The spelling of 1225334211 in words is "one billion, two hundred twenty-five million, three hundred thirty-four thousand, two hundred eleven".