1223550025 has 24 divisors (see below), whose sum is σ = 1545436800. Its totient is φ = 960772800.

The previous prime is 1223550019. The next prime is 1223550037. The reversal of 1223550025 is 5200553221.

It is a happy number.

It is not a de Polignac number, because 1223550025 - 2¹¹ = 1223547977 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 351795 + ... + 355255.

It is an arithmetic number, because the mean of its divisors is an integer number (64393200).

Almost surely, 2^1223550025 is an apocalyptic number.

It is an amenable number.

1223550025 is a deficient number, since it is larger than the sum of its proper divisors (321886775).

1223550025 is a wasteful number, since it uses less digits than its factorization.

1223550025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3729 (or 3724 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 1223550025 is about 34979.2799382720. The cubic root of 1223550025 is about 1069.5651492377.

The spelling of 1223550025 in words is "one billion, two hundred twenty-three million, five hundred fifty thousand, twenty-five".