40222203161 has 6 divisors (see below), whose sum is σ = 46789093530. Its totient is φ = 34476174096.

The previous prime is 40222203157. The next prime is 40222203199. The reversal of 40222203161 is 16130222204.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 28419553561 + 11802649600 = 168581^2 + 108640^2 .

It is not a de Polignac number, because 40222203161 - 2² = 40222203157 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40222203101) 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 5 ways as a sum of consecutive naturals, for example, 410430596 + ... + 410430693.

It is an arithmetic number, because the mean of its divisors is an integer number (7798182255).

Almost surely, 2^40222203161 is an apocalyptic number.

It is an amenable number.

40222203161 is a deficient number, since it is larger than the sum of its proper divisors (6566890369).

40222203161 is an equidigital number, since it uses as much as digits as its factorization.

40222203161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 820861303 (or 820861296 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 40222203161 its reverse (16130222204), we get a palindrome (56352425365).

The spelling of 40222203161 in words is "forty billion, two hundred twenty-two million, two hundred three thousand, one hundred sixty-one".