4251922 has 8 divisors (see below), whose sum is σ = 6597900. Its totient is φ = 2052624.

The previous prime is 4251917. The next prime is 4251931. The reversal of 4251922 is 2291524.

It can be written as a sum of positive squares in 2 ways, for example, as 4076361 + 175561 = 2019^2 + 419^2 .

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

It is an Ulam number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36597 + ... + 36712.

Almost surely, 2^4251922 is an apocalyptic number.

4251922 is a deficient number, since it is larger than the sum of its proper divisors (2345978).

4251922 is a wasteful number, since it uses less digits than its factorization.

4251922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73340.

The product of its digits is 1440, while the sum is 25.

The square root of 4251922 is about 2062.0189135893. The cubic root of 4251922 is about 162.0050041639.

The spelling of 4251922 in words is "four million, two hundred fifty-one thousand, nine hundred twenty-two".