622335143042051 has 4 divisors (see below), whose sum is σ = 625559677462152. Its totient is φ = 619110608621952.

The previous prime is 622335143041999. The next prime is 622335143042057. The reversal of 622335143042051 is 150240341533226.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-622335143042051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (622335143042057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1612267209761 + ... + 1612267210146.

It is an arithmetic number, because the mean of its divisors is an integer number (156389919365538).

Almost surely, 2^{622335143042051} is an apocalyptic number.

622335143042051 is a deficient number, since it is larger than the sum of its proper divisors (3224534420101).

622335143042051 is a wasteful number, since it uses less digits than its factorization.

622335143042051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3224534420100.

The product of its (nonzero) digits is 518400, while the sum is 41.

Adding to 622335143042051 its reverse (150240341533226), we get a palindrome (772575484575277).

The spelling of 622335143042051 in words is "six hundred twenty-two trillion, three hundred thirty-five billion, one hundred forty-three million, forty-two thousand, fifty-one".