947082242 has 18 divisors (see below), whose sum is σ = 1454634243. Its totient is φ = 462464772.

The previous prime is 947082211. The next prime is 947082287. The reversal of 947082242 is 242280749.

It can be written as a sum of positive squares in only one way, i.e., 473541121 + 473541121 = 21761^2 + 21761^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=21761.

It is a super-2 number, since 2×947082242² = 1793929546223493128, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 947082196 and 947082205.

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, 2045303 + ... + 2045765.

Almost surely, 2^947082242 is an apocalyptic number.

947082242 is a deficient number, since it is larger than the sum of its proper divisors (507552001).

947082242 is an frugal number, since it uses more digits than its factorization.

947082242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1022 (or 512 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 947082242 is about 30774.7013308009. The cubic root of 947082242 is about 982.0401211134.

The spelling of 947082242 in words is "nine hundred forty-seven million, eighty-two thousand, two hundred forty-two".