16443222226 has 4 divisors (see below), whose sum is σ = 24664833342. Its totient is φ = 8221611112.

The previous prime is 16443222223. The next prime is 16443222247. The reversal of 16443222226 is 62222234461.

16443222226 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 62222234461 = 149 ⋅417598889.

It can be written as a sum of positive squares in only one way, i.e., 10281757201 + 6161465025 = 101399^2 + 78495^2 .

It is a super-3 number, since 3×16443222226³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16443222191 and 16443222200.

It is not an unprimeable number, because it can be changed into a prime (16443222223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4110805555 + ... + 4110805558.

Almost surely, 2^16443222226 is an apocalyptic number.

16443222226 is a deficient number, since it is larger than the sum of its proper divisors (8221611116).

16443222226 is an equidigital number, since it uses as much as digits as its factorization.

16443222226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8221611115.

The product of its digits is 55296, while the sum is 34.

Adding to 16443222226 its reverse (62222234461), we get a palindrome (78665456687).

The spelling of 16443222226 in words is "sixteen billion, four hundred forty-three million, two hundred twenty-two thousand, two hundred twenty-six".