4522947 has 24 divisors (see below), whose sum is σ = 7132608. Its totient is φ = 2527200.

The previous prime is 4522937. The next prime is 4522949. The reversal of 4522947 is 7492254.

It is not a de Polignac number, because 4522947 - 2⁶ = 4522883 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

4522947 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4522949) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5172 + ... + 5982.

It is an arithmetic number, because the mean of its divisors is an integer number (297192).

Almost surely, 2^4522947 is an apocalyptic number.

4522947 is a deficient number, since it is larger than the sum of its proper divisors (2609661).

4522947 is a wasteful number, since it uses less digits than its factorization.

4522947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851 (or 838 counting only the distinct ones).

The product of its digits is 20160, while the sum is 33.

The square root of 4522947 is about 2126.7221257137. The cubic root of 4522947 is about 165.3765139158.

The spelling of 4522947 in words is "four million, five hundred twenty-two thousand, nine hundred forty-seven".