4040422 has 8 divisors (see below), whose sum is σ = 6129000. Its totient is φ = 1997424.

The previous prime is 4040419. The next prime is 4040429. The reversal of 4040422 is 2240404.

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

It is a junction number, because it is equal to n+sod(n) for n = 4040396 and 4040405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4040429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11172 + ... + 11527.

It is an arithmetic number, because the mean of its divisors is an integer number (766125).

Almost surely, 2^4040422 is an apocalyptic number.

4040422 is a deficient number, since it is larger than the sum of its proper divisors (2088578).

4040422 is a wasteful number, since it uses less digits than its factorization.

4040422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22790.

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 4040422 is about 2010.0800979065. The cubic root of 4040422 is about 159.2730300947.

Adding to 4040422 its reverse (2240404), we get a palindrome (6280826).

It can be divided in two parts, 40404 and 22, that multiplied together give a palindrome (888888).

The spelling of 4040422 in words is "four million, forty thousand, four hundred twenty-two".