4722147 has 6 divisors (see below), whose sum is σ = 6820892. Its totient is φ = 3148092.

The previous prime is 4722121. The next prime is 4722163. The reversal of 4722147 is 7412274.

It is a happy number.

It is not a de Polignac number, because 4722147 - 2⁶ = 4722083 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4722147.

It is not an unprimeable number, because it can be changed into a prime (4722187) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 262333 + ... + 262350.

Almost surely, 2^4722147 is an apocalyptic number.

4722147 is a deficient number, since it is larger than the sum of its proper divisors (2098745).

4722147 is a wasteful number, since it uses less digits than its factorization.

4722147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 524689 (or 524686 counting only the distinct ones).

The product of its digits is 3136, while the sum is 27.

The square root of 4722147 is about 2173.0501604887. The cubic root of 4722147 is about 167.7695607604.

The spelling of 4722147 in words is "four million, seven hundred twenty-two thousand, one hundred forty-seven".