1225233535 has 16 divisors (see below), whose sum is σ = 1477368000. Its totient is φ = 975476736.

The previous prime is 1225233511. The next prime is 1225233539. The reversal of 1225233535 is 5353325221.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1225233535 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1225233497 and 1225233506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1225233539) 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, 1727761 + ... + 1728469.

It is an arithmetic number, because the mean of its divisors is an integer number (92335500).

Almost surely, 2^1225233535 is an apocalyptic number.

1225233535 is a deficient number, since it is larger than the sum of its proper divisors (252134465).

1225233535 is an equidigital number, since it uses as much as digits as its factorization.

1225233535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1890.

The product of its digits is 27000, while the sum is 31.

The square root of 1225233535 is about 35003.3360552962. The cubic root of 1225233535 is about 1070.0554706736.

Adding to 1225233535 its reverse (5353325221), we get a palindrome (6578558756).

The spelling of 1225233535 in words is "one billion, two hundred twenty-five million, two hundred thirty-three thousand, five hundred thirty-five".