4223907 has 10 divisors (see below), whose sum is σ = 6309908. Its totient is φ = 2815884.

The previous prime is 4223903. The next prime is 4223911. The reversal of 4223907 is 7093224.

It is an interprime number because it is at equal distance from previous prime (4223903) and next prime (4223911).

It is not a de Polignac number, because 4223907 - 2² = 4223903 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

4223907 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4223903) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 25993 + ... + 26154.

Almost surely, 2^4223907 is an apocalyptic number.

4223907 is a deficient number, since it is larger than the sum of its proper divisors (2086001).

4223907 is an equidigital number, since it uses as much as digits as its factorization.

4223907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52159 (or 52150 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 4223907 is about 2055.2145873363. The cubic root of 4223907 is about 161.6484144673.

The spelling of 4223907 in words is "four million, two hundred twenty-three thousand, nine hundred seven".