1225230244 has 24 divisors (see below), whose sum is σ = 2484978048. Its totient is φ = 517702080.

The previous prime is 1225230241. The next prime is 1225230269. The reversal of 1225230244 is 4420325221.

It is not an unprimeable number, because it can be changed into a prime (1225230241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 306169 + ... + 310144.

It is an arithmetic number, because the mean of its divisors is an integer number (103540752).

Almost surely, 2^1225230244 is an apocalyptic number.

1225230244 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1225230244 is an abundant number, since it is smaller than the sum of its proper divisors (1259747804).

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

1225230244 is a wasteful number, since it uses less digits than its factorization.

1225230244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616395 (or 616393 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 1225230244 is about 35003.2890454597. The cubic root of 1225230244 is about 1070.0545126098.

Adding to 1225230244 its reverse (4420325221), we get a palindrome (5645555465).

The spelling of 1225230244 in words is "one billion, two hundred twenty-five million, two hundred thirty thousand, two hundred forty-four".