4225140 has 36 divisors (see below), whose sum is σ = 12816804. Its totient is φ = 1126656.

The previous prime is 4225121. The next prime is 4225147. The reversal of 4225140 is 415224.

It can be written as a sum of positive squares in 2 ways, for example, as 3196944 + 1028196 = 1788^2 + 1014^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4225147) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11557 + ... + 11916.

Almost surely, 2^4225140 is an apocalyptic number.

It is an amenable number.

4225140 is an abundant number, since it is smaller than the sum of its proper divisors (8591664).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4225140 is a wasteful number, since it uses less digits than its factorization.

4225140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23488 (or 23483 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 4225140 is about 2055.5145341252. The cubic root of 4225140 is about 161.6641418578.

The spelling of 4225140 in words is "four million, two hundred twenty-five thousand, one hundred forty".