22151440343 has 2 divisors, whose sum is σ = 22151440344. Its totient is φ = 22151440342.

The previous prime is 22151440313. The next prime is 22151440357. The reversal of 22151440343 is 34304415122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22151440343 - 2⁶ = 22151440279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22151440313) 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, 11075720171 + 11075720172.

It is an arithmetic number, because the mean of its divisors is an integer number (11075720172).

Almost surely, 2^22151440343 is an apocalyptic number.

22151440343 is a deficient number, since it is larger than the sum of its proper divisors (1).

22151440343 is an equidigital number, since it uses as much as digits as its factorization.

22151440343 is an odious number, because the sum of its binary digits is odd.

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

Adding to 22151440343 its reverse (34304415122), we get a palindrome (56455855465).

The spelling of 22151440343 in words is "twenty-two billion, one hundred fifty-one million, four hundred forty thousand, three hundred forty-three".