225147280347 has 128 divisors (see below), whose sum is σ = 394377984000. Its totient is φ = 125553162240.

The previous prime is 225147280297. The next prime is 225147280363. The reversal of 225147280347 is 743082741522.

225147280347 is a `hidden beast` number, since 2 + 25 + 1 + 4 + 7 + 280 + 347 = 666.

It is not a de Polignac number, because 225147280347 - 2⁷ = 225147280219 is a prime.

It is a super-2 number, since 2×225147280347² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (225147280387) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 22489479 + ... + 22499487.

It is an arithmetic number, because the mean of its divisors is an integer number (3081078000).

Almost surely, 2^225147280347 is an apocalyptic number.

225147280347 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

225147280347 is a deficient number, since it is larger than the sum of its proper divisors (169230703653).

225147280347 is a wasteful number, since it uses less digits than its factorization.

225147280347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10178 (or 10172 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 45.

The spelling of 225147280347 in words is "two hundred twenty-five billion, one hundred forty-seven million, two hundred eighty thousand, three hundred forty-seven".