4022340 has 96 divisors (see below), whose sum is σ = 13165824. Its totient is φ = 898560.

The previous prime is 4022339. The next prime is 4022341. The reversal of 4022340 is 432204.

It is a happy number.

4022340 is nontrivially palindromic in base 13.

It is an interprime number because it is at equal distance from previous prime (4022339) and next prime (4022341).

It is a Harshad number since it is a multiple of its sum of digits (15).

4022340 is a nontrivial repdigit in base 13.

It is a plaindrome in base 13.

It is a nialpdrome in base 13.

It is a zygodrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (4022341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25542 + ... + 25698.

It is an arithmetic number, because the mean of its divisors is an integer number (137144).

Almost surely, 2^4022340 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 4022340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6582912).

4022340 is an abundant number, since it is smaller than the sum of its proper divisors (9143484).

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

4022340 is a wasteful number, since it uses less digits than its factorization.

4022340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237 (or 235 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 4022340 is about 2005.5772236441. The cubic root of 4022340 is about 159.0350778981.

Adding to 4022340 its reverse (432204), we get a palindrome (4454544).

The spelling of 4022340 in words is "four million, twenty-two thousand, three hundred forty".