1225417452 has 48 divisors (see below), whose sum is σ = 3329448192. Its totient is φ = 343512000.

The previous prime is 1225417447. The next prime is 1225417469. The reversal of 1225417452 is 2547145221.

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 15 ways as a sum of consecutive naturals, for example, 133174 + ... + 142077.

It is an arithmetic number, because the mean of its divisors is an integer number (69363504).

Almost surely, 2^1225417452 is an apocalyptic number.

1225417452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1225417452 is an abundant number, since it is smaller than the sum of its proper divisors (2104030740).

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

1225417452 is a wasteful number, since it uses less digits than its factorization.

1225417452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275318 (or 275316 counting only the distinct ones).

The product of its digits is 22400, while the sum is 33.

The square root of 1225417452 is about 35005.9630920219. The cubic root of 1225417452 is about 1070.1090091869.

The spelling of 1225417452 in words is "one billion, two hundred twenty-five million, four hundred seventeen thousand, four hundred fifty-two".