40122722 has 8 divisors (see below), whose sum is σ = 60211200. Its totient is φ = 20052324.

The previous prime is 40122721. The next prime is 40122769. The reversal of 40122722 is 22722104.

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 = 40122694 and 40122703.

It is not an unprimeable number, because it can be changed into a prime (40122721) 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 3 ways as a sum of consecutive naturals, for example, 5279 + ... + 10397.

It is an arithmetic number, because the mean of its divisors is an integer number (7526400).

Almost surely, 2^40122722 is an apocalyptic number.

40122722 is a deficient number, since it is larger than the sum of its proper divisors (20088478).

40122722 is a wasteful number, since it uses less digits than its factorization.

40122722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9040.

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 40122722 is about 6334.2499161306. The cubic root of 40122722 is about 342.3445850376.

Adding to 40122722 its reverse (22722104), we get a palindrome (62844826).

The spelling of 40122722 in words is "forty million, one hundred twenty-two thousand, seven hundred twenty-two".