4226997 has 4 divisors (see below), whose sum is σ = 5636000. Its totient is φ = 2817996.

The previous prime is 4226993. The next prime is 4227023. The reversal of 4226997 is 7996224.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 4226997 - 2² = 4226993 is a prime.

It is a D-number.

It is a Duffinian number.

4226997 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4226993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 704497 + ... + 704502.

It is an arithmetic number, because the mean of its divisors is an integer number (1409000).

Almost surely, 2^4226997 is an apocalyptic number.

It is an amenable number.

4226997 is a deficient number, since it is larger than the sum of its proper divisors (1409003).

4226997 is a wasteful number, since it uses less digits than its factorization.

4226997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1409002.

The product of its digits is 54432, while the sum is 39.

The square root of 4226997 is about 2055.9661962202. The cubic root of 4226997 is about 161.6878228356.

The spelling of 4226997 in words is "four million, two hundred twenty-six thousand, nine hundred ninety-seven".