4722187 has 2 divisors, whose sum is σ = 4722188. Its totient is φ = 4722186.

The previous prime is 4722173. The next prime is 4722197. The reversal of 4722187 is 7812274.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4722187 is a prime.

It is not a weakly prime, because it can be changed into another prime (4722197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2361093 + 2361094.

It is an arithmetic number, because the mean of its divisors is an integer number (2361094).

Almost surely, 2^4722187 is an apocalyptic number.

4722187 is a deficient number, since it is larger than the sum of its proper divisors (1).

4722187 is an equidigital number, since it uses as much as digits as its factorization.

4722187 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6272, while the sum is 31.

The square root of 4722187 is about 2173.0593641224. The cubic root of 4722187 is about 167.7700344689.

The spelling of 4722187 in words is "four million, seven hundred twenty-two thousand, one hundred eighty-seven".