4225409 has 8 divisors (see below), whose sum is σ = 4339752. Its totient is φ = 4112640.

The previous prime is 4225381. The next prime is 4225411. The reversal of 4225409 is 9045224.

It can be written as a sum of positive squares in 4 ways, for example, as 1345600 + 2879809 = 1160^2 + 1697^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 4225409 - 2¹² = 4221313 is a prime.

It is a Duffinian number.

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

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6587 + ... + 7199.

It is an arithmetic number, because the mean of its divisors is an integer number (542469).

Almost surely, 2^4225409 is an apocalyptic number.

It is an amenable number.

4225409 is a deficient number, since it is larger than the sum of its proper divisors (114343).

4225409 is a wasteful number, since it uses less digits than its factorization.

4225409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 787.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 4225409 is about 2055.5799668220. The cubic root of 4225409 is about 161.6675726499.

The spelling of 4225409 in words is "four million, two hundred twenty-five thousand, four hundred nine".