1225232300 has 18 divisors (see below), whose sum is σ = 2658754308. Its totient is φ = 490092880.

The previous prime is 1225232269. The next prime is 1225232329. The reversal of 1225232300 is 32325221.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6126062 + ... + 6126261.

Almost surely, 2^1225232300 is an apocalyptic number.

1225232300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1225232300 is an abundant number, since it is smaller than the sum of its proper divisors (1433522008).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1225232300 is a wasteful number, since it uses less digits than its factorization.

1225232300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12252337 (or 12252330 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 1225232300 is about 35003.3184141161. The cubic root of 1225232300 is about 1070.0551111452.

Adding to 1225232300 its reverse (32325221), we get a palindrome (1257557521).

The spelling of 1225232300 in words is "one billion, two hundred twenty-five million, two hundred thirty-two thousand, three hundred".