947224305 has 48 divisors (see below), whose sum is σ = 1661049936. Its totient is φ = 499322880.

The previous prime is 947224283. The next prime is 947224307. The reversal of 947224305 is 503422749.

It can be written as a sum of positive squares in 8 ways, for example, as 1292769 + 945931536 = 1137^2 + 30756^2 .

It is not a de Polignac number, because 947224305 - 2⁵ = 947224273 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 947224305.

It is not an unprimeable number, because it can be changed into a prime (947224307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2187369 + ... + 2187801.

It is an arithmetic number, because the mean of its divisors is an integer number (34605207).

Almost surely, 2^947224305 is an apocalyptic number.

It is an amenable number.

947224305 is a deficient number, since it is larger than the sum of its proper divisors (713825631).

947224305 is a wasteful number, since it uses less digits than its factorization.

947224305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 898 (or 895 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 947224305 is about 30777.0093576358. The cubic root of 947224305 is about 982.0892208940.

The spelling of 947224305 in words is "nine hundred forty-seven million, two hundred twenty-four thousand, three hundred five".