4229540 has 24 divisors (see below), whose sum is σ = 10151232. Its totient is φ = 1450080.

The previous prime is 4229521. The next prime is 4229543. The reversal of 4229540 is 459224.

It is a super-2 number, since 2×4229540² = 35778017223200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4229543) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 14966 + ... + 15245.

It is an arithmetic number, because the mean of its divisors is an integer number (422968).

Almost surely, 2^4229540 is an apocalyptic number.

It is an amenable number.

4229540 is an abundant number, since it is smaller than the sum of its proper divisors (5921692).

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

4229540 is a wasteful number, since it uses less digits than its factorization.

4229540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30227 (or 30225 counting only the distinct ones).

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

The square root of 4229540 is about 2056.5845472530. The cubic root of 4229540 is about 161.7202406259.

The spelling of 4229540 in words is "four million, two hundred twenty-nine thousand, five hundred forty".