1225250344 has 16 divisors (see below), whose sum is σ = 2297877120. Its totient is φ = 612483120.

The previous prime is 1225250339. The next prime is 1225250353. The reversal of 1225250344 is 4430525221.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 24939 + ... + 55429.

It is an arithmetic number, because the mean of its divisors is an integer number (143617320).

Almost surely, 2^1225250344 is an apocalyptic number.

It is an amenable number.

1225250344 is a deficient number, since it is larger than the sum of its proper divisors (1072626776).

1225250344 is a wasteful number, since it uses less digits than its factorization.

1225250344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35520 (or 35516 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 1225250344 is about 35003.5761601583. The cubic root of 1225250344 is about 1070.0603640211.

Adding to 1225250344 its reverse (4430525221), we get a palindrome (5655775565).

The spelling of 1225250344 in words is "one billion, two hundred twenty-five million, two hundred fifty thousand, three hundred forty-four".