40204022 has 8 divisors (see below), whose sum is σ = 60443496. Its totient is φ = 20056192.

The previous prime is 40203991. The next prime is 40204027. The reversal of 40204022 is 22040204.

It is a happy number.

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 = 40203988 and 40204006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40204027) 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, 21803 + ... + 23574.

It is an arithmetic number, because the mean of its divisors is an integer number (7555437).

Almost surely, 2^40204022 is an apocalyptic number.

40204022 is a deficient number, since it is larger than the sum of its proper divisors (20239474).

40204022 is a wasteful number, since it uses less digits than its factorization.

40204022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45822.

The product of its (nonzero) digits is 128, while the sum is 14.

The square root of 40204022 is about 6340.6641607958. The cubic root of 40204022 is about 342.5756580688.

Adding to 40204022 its reverse (22040204), we get a palindrome (62244226).

The spelling of 40204022 in words is "forty million, two hundred four thousand, twenty-two".