3922240 has 112 divisors (see below), whose sum is σ = 11411712. Its totient is φ = 1253376.

The previous prime is 3922231. The next prime is 3922249. The reversal of 3922240 is 422293.

3922240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3922231) and next prime (3922249).

It is a tau number, because it is divible by the number of its divisors (112).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3922249) 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 15 ways as a sum of consecutive naturals, for example, 38029 + ... + 38131.

Almost surely, 2^3922240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3922240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5705856).

3922240 is an abundant number, since it is smaller than the sum of its proper divisors (7489472).

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

3922240 is a wasteful number, since it uses less digits than its factorization.

3922240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144 (or 134 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 3922240 is about 1980.4645919582. The cubic root of 3922240 is about 157.7047308201.

The spelling of 3922240 in words is "three million, nine hundred twenty-two thousand, two hundred forty".