1622201143 has 2 divisors, whose sum is σ = 1622201144. Its totient is φ = 1622201142.

The previous prime is 1622201117. The next prime is 1622201167. The reversal of 1622201143 is 3411022261.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1622201143 - 2²⁵ = 1588646711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1622201173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 811100571 + 811100572.

It is an arithmetic number, because the mean of its divisors is an integer number (811100572).

Almost surely, 2^1622201143 is an apocalyptic number.

1622201143 is a deficient number, since it is larger than the sum of its proper divisors (1).

1622201143 is an equidigital number, since it uses as much as digits as its factorization.

1622201143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 1622201143 is about 40276.5582318053. The cubic root of 1622201143 is about 1174.9919765259.

The spelling of 1622201143 in words is "one billion, six hundred twenty-two million, two hundred one thousand, one hundred forty-three".