40005023222 has 8 divisors (see below), whose sum is σ = 63165826200. Its totient is φ = 18949747824.

The previous prime is 40005023213. The next prime is 40005023243. The reversal of 40005023222 is 22232050004.

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

It is a super-2 number, since 2×40005023222² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40005023194 and 40005023203.

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 3 ways as a sum of consecutive naturals, for example, 526381847 + ... + 526381922.

It is an arithmetic number, because the mean of its divisors is an integer number (7895728275).

Almost surely, 2^40005023222 is an apocalyptic number.

40005023222 is a deficient number, since it is larger than the sum of its proper divisors (23160802978).

40005023222 is a wasteful number, since it uses less digits than its factorization.

40005023222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1052763790.

The product of its (nonzero) digits is 960, while the sum is 20.

Adding to 40005023222 its reverse (22232050004), we get a palindrome (62237073226).

The spelling of 40005023222 in words is "forty billion, five million, twenty-three thousand, two hundred twenty-two".