40232422 has 4 divisors (see below), whose sum is σ = 60348636. Its totient is φ = 20116210.

The previous prime is 40232419. The next prime is 40232429. The reversal of 40232422 is 22423204.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 40232422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40232429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10058104 + ... + 10058107.

It is an arithmetic number, because the mean of its divisors is an integer number (15087159).

Almost surely, 2^40232422 is an apocalyptic number.

40232422 is a deficient number, since it is larger than the sum of its proper divisors (20116214).

40232422 is a wasteful number, since it uses less digits than its factorization.

40232422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20116213.

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 40232422 is about 6342.9032784680. The cubic root of 40232422 is about 342.6563038867.

Adding to 40232422 its reverse (22423204), we get a palindrome (62655626).

The spelling of 40232422 in words is "forty million, two hundred thirty-two thousand, four hundred twenty-two".