22420143433 has 2 divisors, whose sum is σ = 22420143434. Its totient is φ = 22420143432.

The previous prime is 22420143419. The next prime is 22420143497. The reversal of 22420143433 is 33434102422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17883177984 + 4536965449 = 133728^2 + 67357^2 .

It is a cyclic number.

It is not a de Polignac number, because 22420143433 - 2²¹ = 22418046281 is a prime.

It is not a weakly prime, because it can be changed into another prime (22420143413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11210071716 + 11210071717.

It is an arithmetic number, because the mean of its divisors is an integer number (11210071717).

Almost surely, 2^22420143433 is an apocalyptic number.

It is an amenable number.

22420143433 is a deficient number, since it is larger than the sum of its proper divisors (1).

22420143433 is an equidigital number, since it uses as much as digits as its factorization.

22420143433 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 22420143433 its reverse (33434102422), we get a palindrome (55854245855).

The spelling of 22420143433 in words is "twenty-two billion, four hundred twenty million, one hundred forty-three thousand, four hundred thirty-three".