40000022422 has 16 divisors (see below), whose sum is σ = 65335791600. Its totient is φ = 18294020640.

The previous prime is 40000022411. The next prime is 40000022443. The reversal of 40000022422 is 22422000004.

It is a junction number, because it is equal to n+sod(n) for n = 40000022396 and 40000022405.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18147729 + ... + 18149932.

It is an arithmetic number, because the mean of its divisors is an integer number (4083486975).

Almost surely, 2^40000022422 is an apocalyptic number.

40000022422 is a deficient number, since it is larger than the sum of its proper divisors (25335769178).

40000022422 is a wasteful number, since it uses less digits than its factorization.

40000022422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36297711.

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

Adding to 40000022422 its reverse (22422000004), we get a palindrome (62422022426).

The spelling of 40000022422 in words is "forty billion, twenty-two thousand, four hundred twenty-two".