21223133219 has 8 divisors (see below), whose sum is σ = 21477486960. Its totient is φ = 20969132800.

The previous prime is 21223133207. The next prime is 21223133221. The reversal of 21223133219 is 91233132212.

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

It is a cyclic number.

It is not a de Polignac number, because 21223133219 - 2²⁸ = 20954697763 is a prime.

It is a super-2 number, since 2×21223133219² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21223133191 and 21223133200.

It is not an unprimeable number, because it can be changed into a prime (21223133419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33524 + ... + 208734.

It is an arithmetic number, because the mean of its divisors is an integer number (2684685870).

Almost surely, 2^21223133219 is an apocalyptic number.

21223133219 is a deficient number, since it is larger than the sum of its proper divisors (254353741).

21223133219 is a wasteful number, since it uses less digits than its factorization.

21223133219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176661.

The product of its digits is 3888, while the sum is 29.

The spelling of 21223133219 in words is "twenty-one billion, two hundred twenty-three million, one hundred thirty-three thousand, two hundred nineteen".