922228425 has 18 divisors (see below), whose sum is σ = 1651813982. Its totient is φ = 491855040.

The previous prime is 922228421. The next prime is 922228429. The reversal of 922228425 is 524822229.

922228425 is a `hidden beast` number, since 9 + 2 + 2 + 228 + 425 = 666.

It is an interprime number because it is at equal distance from previous prime (922228421) and next prime (922228429).

It can be written as a sum of positive squares in 3 ways, for example, as 81866304 + 840362121 = 9048^2 + 28989^2 .

It is not a de Polignac number, because 922228425 - 2² = 922228421 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 922228425.

It is not an unprimeable number, because it can be changed into a prime (922228421) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2049172 + ... + 2049621.

Almost surely, 2^922228425 is an apocalyptic number.

It is an amenable number.

922228425 is a deficient number, since it is larger than the sum of its proper divisors (729585557).

922228425 is a wasteful number, since it uses less digits than its factorization.

922228425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4098809 (or 4098801 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 922228425 is about 30368.2140568062. The cubic root of 922228425 is about 973.3734616152.

The spelling of 922228425 in words is "nine hundred twenty-two million, two hundred twenty-eight thousand, four hundred twenty-five".