4222747 has 2 divisors, whose sum is σ = 4222748. Its totient is φ = 4222746.

The previous prime is 4222739. The next prime is 4222759. The reversal of 4222747 is 7472224.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4222747 - 2³ = 4222739 is a prime.

It is an Ulam number.

It is equal to p₂₉₇₈₂₀ and since 4222747 and 297820 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (4222717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2111373 + 2111374.

It is an arithmetic number, because the mean of its divisors is an integer number (2111374).

Almost surely, 2^4222747 is an apocalyptic number.

4222747 is a deficient number, since it is larger than the sum of its proper divisors (1).

4222747 is an equidigital number, since it uses as much as digits as its factorization.

4222747 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6272, while the sum is 28.

The square root of 4222747 is about 2054.9323589841. The cubic root of 4222747 is about 161.6336154255.

The spelling of 4222747 in words is "four million, two hundred twenty-two thousand, seven hundred forty-seven".