947224892 has 12 divisors (see below), whose sum is σ = 1658764296. Its totient is φ = 473292240.

The previous prime is 947224891. The next prime is 947224903. The reversal of 947224892 is 298422749.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (947224891) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73334 + ... + 85277.

It is an arithmetic number, because the mean of its divisors is an integer number (138230358).

Almost surely, 2^947224892 is an apocalyptic number.

It is an amenable number.

947224892 is a deficient number, since it is larger than the sum of its proper divisors (711539404).

947224892 is a wasteful number, since it uses less digits than its factorization.

947224892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160108 (or 160106 counting only the distinct ones).

The product of its digits is 580608, while the sum is 47.

The square root of 947224892 is about 30777.0188939735. The cubic root of 947224892 is about 982.0894237626.

The spelling of 947224892 in words is "nine hundred forty-seven million, two hundred twenty-four thousand, eight hundred ninety-two".