622030143 has 16 divisors (see below), whose sum is σ = 954679040. Its totient is φ = 352886976.

The previous prime is 622030141. The next prime is 622030163. The reversal of 622030143 is 341030226.

It is a happy number.

It is not a de Polignac number, because 622030143 - 2¹ = 622030141 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622030141) 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 in 15 ways as a sum of consecutive naturals, for example, 103630 + ... + 109467.

It is an arithmetic number, because the mean of its divisors is an integer number (59667440).

Almost surely, 2^622030143 is an apocalyptic number.

622030143 is a deficient number, since it is larger than the sum of its proper divisors (332648897).

622030143 is a wasteful number, since it uses less digits than its factorization.

622030143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213246.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 622030143 is about 24940.5321314522. The cubic root of 622030143 is about 853.6315869090.

Adding to 622030143 its reverse (341030226), we get a palindrome (963060369).

It can be divided in two parts, 6220 and 30143, that added together give a palindrome (36363).

The spelling of 622030143 in words is "six hundred twenty-two million, thirty thousand, one hundred forty-three".