9403389225 has 54 divisors (see below), whose sum is σ = 17489720430. Its totient is φ = 5015053440.

The previous prime is 9403389221. The next prime is 9403389239. The reversal of 9403389225 is 5229833049.

It is a happy number.

9403389225 is a `hidden beast` number, since 9 + 40 + 3 + 389 + 225 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 18429849 + 9384959376 = 4293^2 + 96876^2 .

It is not a de Polignac number, because 9403389225 - 2² = 9403389221 is a prime.

It is a super-2 number, since 2×9403389225² (a number of 21 digits) contains 22 as substring.

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 (9403389221) by changing a digit.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 135361 + ... + 192689.

Almost surely, 2^9403389225 is an apocalyptic number.

It is an amenable number.

9403389225 is a deficient number, since it is larger than the sum of its proper divisors (8086331205).

9403389225 is an frugal number, since it uses more digits than its factorization.

9403389225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57363 (or 57337 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The square root of 9403389225 is about 96971.0741664750. The cubic root of 9403389225 is about 2110.7079095599.

The spelling of 9403389225 in words is "nine billion, four hundred three million, three hundred eighty-nine thousand, two hundred twenty-five".