22211242421233 has 4 divisors (see below), whose sum is σ = 22977147332340. Its totient is φ = 21445337510128.

The previous prime is 22211242421231. The next prime is 22211242421257. The reversal of 22211242421233 is 33212424211222.

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

It can be written as a sum of positive squares in 2 ways, for example, as 12459537457249 + 9751704963984 = 3529807^2 + 3122772^2 .

It is a cyclic number.

It is not a de Polignac number, because 22211242421233 - 2¹ = 22211242421231 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22211242421195 and 22211242421204.

It is not an unprimeable number, because it can be changed into a prime (22211242421231) 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, 382952455510 + ... + 382952455567.

It is an arithmetic number, because the mean of its divisors is an integer number (5744286833085).

Almost surely, 2^{22211242421233} is an apocalyptic number.

It is an amenable number.

22211242421233 is a deficient number, since it is larger than the sum of its proper divisors (765904911107).

22211242421233 is an equidigital number, since it uses as much as digits as its factorization.

22211242421233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 765904911106.

The product of its digits is 18432, while the sum is 31.

Adding to 22211242421233 its reverse (33212424211222), we get a palindrome (55423666632455).

The spelling of 22211242421233 in words is "twenty-two trillion, two hundred eleven billion, two hundred forty-two million, four hundred twenty-one thousand, two hundred thirty-three".