4223394 has 32 divisors (see below), whose sum is σ = 10727040. Its totient is φ = 1206576.

The previous prime is 4223393. The next prime is 4223407. The reversal of 4223394 is 4933224.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (4223393) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5209 + ... + 5964.

It is an arithmetic number, because the mean of its divisors is an integer number (335220).

Almost surely, 2^4223394 is an apocalyptic number.

4223394 is an abundant number, since it is smaller than the sum of its proper divisors (6503646).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4223394 is a wasteful number, since it uses less digits than its factorization.

4223394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11191 (or 11185 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

The square root of 4223394 is about 2055.0897790608. The cubic root of 4223394 is about 161.6418700529.

It can be divided in two parts, 42 and 23394, that added together give a triangular number (23436 = T₂₁₆).

The spelling of 4223394 in words is "four million, two hundred twenty-three thousand, three hundred ninety-four".