4243922 has 8 divisors (see below), whose sum is σ = 6486156. Its totient is φ = 2081872.

The previous prime is 4243903. The next prime is 4243927. The reversal of 4243922 is 2293424.

It can be written as a sum of positive squares in 2 ways, for example, as 3964081 + 279841 = 1991^2 + 529^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 4243891 and 4243900.

It is not an unprimeable number, because it can be changed into a prime (4243927) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19913 + ... + 20124.

Almost surely, 2^4243922 is an apocalyptic number.

4243922 is a deficient number, since it is larger than the sum of its proper divisors (2242234).

4243922 is a wasteful number, since it uses less digits than its factorization.

4243922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40092.

The product of its digits is 3456, while the sum is 26.

The square root of 4243922 is about 2060.0781538573. The cubic root of 4243922 is about 161.9033361246.

The spelling of 4243922 in words is "four million, two hundred forty-three thousand, nine hundred twenty-two".