992943225 has 48 divisors (see below), whose sum is σ = 1931394240. Its totient is φ = 498412800.

The previous prime is 992943169. The next prime is 992943227. The reversal of 992943225 is 522349299.

It is not a de Polignac number, because 992943225 - 2¹³ = 992935033 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (992943227) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 31791 + ... + 54740.

It is an arithmetic number, because the mean of its divisors is an integer number (40237380).

Almost surely, 2^992943225 is an apocalyptic number.

It is an amenable number.

992943225 is a deficient number, since it is larger than the sum of its proper divisors (938451015).

992943225 is a wasteful number, since it uses less digits than its factorization.

992943225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86567 (or 86556 counting only the distinct ones).

The product of its digits is 349920, while the sum is 45.

The square root of 992943225 is about 31511.0016502173. The cubic root of 992943225 is about 997.6421867526.

The spelling of 992943225 in words is "nine hundred ninety-two million, nine hundred forty-three thousand, two hundred twenty-five".