918225456 has 40 divisors (see below), whose sum is σ = 2448605184. Its totient is φ = 296201280.

The previous prime is 918225443. The next prime is 918225467. The reversal of 918225456 is 654522819.

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 7 ways as a sum of consecutive naturals, for example, 307056 + ... + 310031.

Almost surely, 2^918225456 is an apocalyptic number.

It is an amenable number.

918225456 is an abundant number, since it is smaller than the sum of its proper divisors (1530379728).

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

918225456 is a wasteful number, since it uses less digits than its factorization.

918225456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 617129 (or 617123 counting only the distinct ones).

The product of its digits is 172800, while the sum is 42.

The square root of 918225456 is about 30302.2351650831. The cubic root of 918225456 is about 971.9630970426.

The spelling of 918225456 in words is "nine hundred eighteen million, two hundred twenty-five thousand, four hundred fifty-six".