22221012219 has 16 divisors (see below), whose sum is σ = 33865186560. Its totient is φ = 12695997600.

The previous prime is 22221012217. The next prime is 22221012271. The reversal of 22221012219 is 91221012222.

It is not a de Polignac number, because 22221012219 - 2¹ = 22221012217 is a prime.

It is a super-2 number, since 2×22221012219² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22221012211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95644 + ... + 231494.

It is an arithmetic number, because the mean of its divisors is an integer number (2116574160).

Almost surely, 2^22221012219 is an apocalyptic number.

22221012219 is a deficient number, since it is larger than the sum of its proper divisors (11644174341).

22221012219 is a wasteful number, since it uses less digits than its factorization.

22221012219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143650.

The product of its (nonzero) digits is 576, while the sum is 24.

The spelling of 22221012219 in words is "twenty-two billion, two hundred twenty-one million, twelve thousand, two hundred nineteen".