1225064236 has 12 divisors (see below), whose sum is σ = 2338759080. Its totient is φ = 556847360.

The previous prime is 1225064227. The next prime is 1225064279. The reversal of 1225064236 is 6324605221.

It is a junction number, because it is equal to n+sod(n) for n = 1225064198 and 1225064207.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13921141 + ... + 13921228.

It is an arithmetic number, because the mean of its divisors is an integer number (194896590).

Almost surely, 2^1225064236 is an apocalyptic number.

It is an amenable number.

1225064236 is a deficient number, since it is larger than the sum of its proper divisors (1113694844).

1225064236 is a wasteful number, since it uses less digits than its factorization.

1225064236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27842384 (or 27842382 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 1225064236 is about 35000.9176451132. The cubic root of 1225064236 is about 1070.0061827459.

Adding to 1225064236 its reverse (6324605221), we get a palindrome (7549669457).

The spelling of 1225064236 in words is "one billion, two hundred twenty-five million, sixty-four thousand, two hundred thirty-six".