22153421243 has 2 divisors, whose sum is σ = 22153421244. Its totient is φ = 22153421242.

The previous prime is 22153421231. The next prime is 22153421287. The reversal of 22153421243 is 34212435122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22153421243 - 2¹⁴ = 22153404859 is a prime.

It is not a weakly prime, because it can be changed into another prime (22153421743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11076710621 + 11076710622.

It is an arithmetic number, because the mean of its divisors is an integer number (11076710622).

Almost surely, 2^22153421243 is an apocalyptic number.

22153421243 is a deficient number, since it is larger than the sum of its proper divisors (1).

22153421243 is an equidigital number, since it uses as much as digits as its factorization.

22153421243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11520, while the sum is 29.

Adding to 22153421243 its reverse (34212435122), we get a palindrome (56365856365).

The spelling of 22153421243 in words is "twenty-two billion, one hundred fifty-three million, four hundred twenty-one thousand, two hundred forty-three".