4221550343 has 2 divisors, whose sum is σ = 4221550344. Its totient is φ = 4221550342.

The previous prime is 4221550339. The next prime is 4221550367. The reversal of 4221550343 is 3430551224.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4221550343 - 2² = 4221550339 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4221550303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2110775171 + 2110775172.

It is an arithmetic number, because the mean of its divisors is an integer number (2110775172).

Almost surely, 2^4221550343 is an apocalyptic number.

4221550343 is a deficient number, since it is larger than the sum of its proper divisors (1).

4221550343 is an equidigital number, since it uses as much as digits as its factorization.

4221550343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 4221550343 is about 64973.4587581729. The cubic root of 4221550343 is about 1616.1834588092.

The spelling of 4221550343 in words is "four billion, two hundred twenty-one million, five hundred fifty thousand, three hundred forty-three".