16222621333 has 4 divisors (see below), whose sum is σ = 16223658220. Its totient is φ = 16221584448.

The previous prime is 16222621319. The next prime is 16222621339. The reversal of 16222621333 is 33312622261.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33312622261 = 44159 ⋅754379.

It can be written as a sum of positive squares in 2 ways, for example, as 11122233444 + 5100387889 = 105462^2 + 71417^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16222621333 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16222621295 and 16222621304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16222621339) 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 3 ways as a sum of consecutive naturals, for example, 494610 + ... + 526387.

It is an arithmetic number, because the mean of its divisors is an integer number (4055914555).

Almost surely, 2^16222621333 is an apocalyptic number.

It is an amenable number.

16222621333 is a deficient number, since it is larger than the sum of its proper divisors (1036887).

16222621333 is a wasteful number, since it uses less digits than its factorization.

16222621333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1036886.

The product of its digits is 15552, while the sum is 31.

The spelling of 16222621333 in words is "sixteen billion, two hundred twenty-two million, six hundred twenty-one thousand, three hundred thirty-three".