4223078 has 4 divisors (see below), whose sum is σ = 6334620. Its totient is φ = 2111538.

The previous prime is 4223071. The next prime is 4223083. The reversal of 4223078 is 8703224.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4223071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1055768 + ... + 1055771.

It is an arithmetic number, because the mean of its divisors is an integer number (1583655).

Almost surely, 2^4223078 is an apocalyptic number.

4223078 is a deficient number, since it is larger than the sum of its proper divisors (2111542).

4223078 is a wasteful number, since it uses less digits than its factorization.

4223078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2111541.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 4223078 is about 2055.0128953367. The cubic root of 4223078 is about 161.6378385319.

The spelling of 4223078 in words is "four million, two hundred twenty-three thousand, seventy-eight".