4225994 has 4 divisors (see below), whose sum is σ = 6338994. Its totient is φ = 2112996.

The previous prime is 4225981. The next prime is 4226009. The reversal of 4225994 is 4995224.

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

It can be written as a sum of positive squares in only one way, i.e., 3150625 + 1075369 = 1775^2 + 1037^2 .

It is an unprimeable number.

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, 1056497 + ... + 1056500.

Almost surely, 2^4225994 is an apocalyptic number.

4225994 is a deficient number, since it is larger than the sum of its proper divisors (2113000).

4225994 is a wasteful number, since it uses less digits than its factorization.

4225994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2112999.

The product of its digits is 25920, while the sum is 35.

The square root of 4225994 is about 2055.7222575046. The cubic root of 4225994 is about 161.6750331637.

The spelling of 4225994 in words is "four million, two hundred twenty-five thousand, nine hundred ninety-four".