894225553225 has 9 divisors (see below), whose sum is σ = 1108845548967. Its totient is φ = 715376660040.

The previous prime is 894225553211. The next prime is 894225553237. The reversal of 894225553225 is 522355522498.

The square root of 894225553225 is 945635.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 321921199161 + 572304354064 = 567381^2 + 756508^2 .

It is not a de Polignac number, because 894225553225 - 2¹⁹ = 894225028937 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 4633612 + ... + 4822738.

Almost surely, 2^894225553225 is an apocalyptic number.

894225553225 is the 945635-th square number.

894225553225 is the 472818-th centered octagonal number.

It is an amenable number.

894225553225 is a deficient number, since it is larger than the sum of its proper divisors (214619995742).

894225553225 is an frugal number, since it uses more digits than its factorization.

894225553225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378264 (or 189132 counting only the distinct ones).

The product of its digits is 8640000, while the sum is 52.

The spelling of 894225553225 in words is "eight hundred ninety-four billion, two hundred twenty-five million, five hundred fifty-three thousand, two hundred twenty-five".