1254422225 has 24 divisors (see below), whose sum is σ = 1780802688. Its totient is φ = 858672000.

The previous prime is 1254422189. The next prime is 1254422227. The reversal of 1254422225 is 5222244521.

It is a happy number.

It is not a de Polignac number, because 1254422225 - 2⁸ = 1254421969 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1254422227) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 99212 + ... + 111138.

It is an arithmetic number, because the mean of its divisors is an integer number (74200112).

Almost surely, 2^1254422225 is an apocalyptic number.

It is an amenable number.

1254422225 is a deficient number, since it is larger than the sum of its proper divisors (526380463).

1254422225 is a wasteful number, since it uses less digits than its factorization.

1254422225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12545 (or 12540 counting only the distinct ones).

The product of its digits is 12800, while the sum is 29.

The square root of 1254422225 is about 35417.8235497327. The cubic root of 1254422225 is about 1078.4861692428.

Adding to 1254422225 its reverse (5222244521), we get a palindrome (6476666746).

The spelling of 1254422225 in words is "one billion, two hundred fifty-four million, four hundred twenty-two thousand, two hundred twenty-five".