4225431 has 8 divisors (see below), whose sum is σ = 6438784. Its totient is φ = 2414520.

The previous prime is 4225427. The next prime is 4225439. The reversal of 4225431 is 1345224.

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

It is not a de Polignac number, because 4225431 - 2² = 4225427 is a prime.

It is a super-2 number, since 2×4225431² = 35708534271522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 201211 = 4225431 / (4 + 2 + 2 + 5 + 4 + 3 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4225398 and 4225407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4225439) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 100585 + ... + 100626.

It is an arithmetic number, because the mean of its divisors is an integer number (804848).

Almost surely, 2^4225431 is an apocalyptic number.

4225431 is a deficient number, since it is larger than the sum of its proper divisors (2213353).

4225431 is a wasteful number, since it uses less digits than its factorization.

4225431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201221.

The product of its digits is 960, while the sum is 21.

The square root of 4225431 is about 2055.5853181029. The cubic root of 4225431 is about 161.6678532287.

It can be divided in two parts, 4225 and 431, that added together give a triangular number (4656 = T₉₆).

The spelling of 4225431 in words is "four million, two hundred twenty-five thousand, four hundred thirty-one".