225746306312 has 36 divisors (see below), whose sum is σ = 426174041085. Its totient is φ = 112105134880.

The previous prime is 225746306249. The next prime is 225746306321. The reversal of 225746306312 is 213603647522.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 177589759396 + 48156546916 = 421414^2 + 219446^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=335966.

It is a super-2 number, since 2×225746306312² (a number of 24 digits) contains 22 as substring.

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 225746306312.

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, 232487987 + ... + 232488957.

Almost surely, 2^225746306312 is an apocalyptic number.

It is an amenable number.

225746306312 is a deficient number, since it is larger than the sum of its proper divisors (200427734773).

225746306312 is an frugal number, since it uses more digits than its factorization.

225746306312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2294 (or 1146 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 41.

The spelling of 225746306312 in words is "two hundred twenty-five billion, seven hundred forty-six million, three hundred six thousand, three hundred twelve".