1225032664 has 16 divisors (see below), whose sum is σ = 2298126600. Its totient is φ = 612198912.

The previous prime is 1225032659. The next prime is 1225032671. The reversal of 1225032664 is 4662305221.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 22857 + ... + 54520.

Almost surely, 2^1225032664 is an apocalyptic number.

It is an amenable number.

1225032664 is a deficient number, since it is larger than the sum of its proper divisors (1073093936).

1225032664 is a wasteful number, since it uses less digits than its factorization.

1225032664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79362 (or 79358 counting only the distinct ones).

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

The square root of 1225032664 is about 35000.4666254609. The cubic root of 1225032664 is about 1069.9969907040.

Adding to 1225032664 its reverse (4662305221), we get a palindrome (5887337885).

The spelling of 1225032664 in words is "one billion, two hundred twenty-five million, thirty-two thousand, six hundred sixty-four".