1225313306 has 32 divisors (see below), whose sum is σ = 2256240000. Its totient is φ = 497490336.

The previous prime is 1225313303. The next prime is 1225313351. The reversal of 1225313306 is 6033135221.

It is not an unprimeable number, because it can be changed into a prime (1225313303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33971 + ... + 60038.

It is an arithmetic number, because the mean of its divisors is an integer number (70507500).

Almost surely, 2^1225313306 is an apocalyptic number.

1225313306 is a deficient number, since it is larger than the sum of its proper divisors (1030926694).

1225313306 is an equidigital number, since it uses as much as digits as its factorization.

1225313306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94051 (or 94037 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 1225313306 is about 35004.4755138539. The cubic root of 1225313306 is about 1070.0786927887.

Adding to 1225313306 its reverse (6033135221), we get a palindrome (7258448527).

The spelling of 1225313306 in words is "one billion, two hundred twenty-five million, three hundred thirteen thousand, three hundred six".