40222120105 has 16 divisors (see below), whose sum is σ = 51186812544. Its totient is φ = 30236855040.

The previous prime is 40222120093. The next prime is 40222120109. The reversal of 40222120105 is 50102122204.

It is not a de Polignac number, because 40222120105 - 2¹³ = 40222111913 is a prime.

It is a super-2 number, since 2×40222120105² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40222120109) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 321327 + ... + 428596.

It is an arithmetic number, because the mean of its divisors is an integer number (3199175784).

Almost surely, 2^40222120105 is an apocalyptic number.

It is an amenable number.

40222120105 is a deficient number, since it is larger than the sum of its proper divisors (10964692439).

40222120105 is a wasteful number, since it uses less digits than its factorization.

40222120105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750576.

The product of its (nonzero) digits is 320, while the sum is 19.

Adding to 40222120105 its reverse (50102122204), we get a palindrome (90324242309).

The spelling of 40222120105 in words is "forty billion, two hundred twenty-two million, one hundred twenty thousand, one hundred five".