22120222233331 has 2 divisors, whose sum is σ = 22120222233332. Its totient is φ = 22120222233330.

The previous prime is 22120222233311. The next prime is 22120222233359. The reversal of 22120222233331 is 13333222202122.

It is an a-pointer prime, because the next prime (22120222233359) can be obtained adding 22120222233331 to its sum of digits (28).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22120222233331 - 2¹⁵ = 22120222200563 is a prime.

It is a super-2 number, since 2×22120222233331² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22120222233331.

It is not a weakly prime, because it can be changed into another prime (22120222233301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11060111116665 + 11060111116666.

It is an arithmetic number, because the mean of its divisors is an integer number (11060111116666).

Almost surely, 2^{22120222233331} is an apocalyptic number.

22120222233331 is a deficient number, since it is larger than the sum of its proper divisors (1).

22120222233331 is an equidigital number, since it uses as much as digits as its factorization.

22120222233331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 22120222233331 its reverse (13333222202122), we get a palindrome (35453444435453).

The spelling of 22120222233331 in words is "twenty-two trillion, one hundred twenty billion, two hundred twenty-two million, two hundred thirty-three thousand, three hundred thirty-one".