22222121122219 has 4 divisors (see below), whose sum is σ = 22229915625640. Its totient is φ = 22214326618800.

The previous prime is 22222121122211. The next prime is 22222121122231. The reversal of 22222121122219 is 91222112122222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 22222121122219 - 2³ = 22222121122211 is a prime.

It is a super-2 number, since 2×22222121122219² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22222121122211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3897247434 + ... + 3897253135.

It is an arithmetic number, because the mean of its divisors is an integer number (5557478906410).

Almost surely, 2^{22222121122219} is an apocalyptic number.

22222121122219 is a deficient number, since it is larger than the sum of its proper divisors (7794503421).

22222121122219 is an equidigital number, since it uses as much as digits as its factorization.

22222121122219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7794503420.

The product of its digits is 4608, while the sum is 31.

The spelling of 22222121122219 in words is "twenty-two trillion, two hundred twenty-two billion, one hundred twenty-one million, one hundred twenty-two thousand, two hundred nineteen".