622246461643 has 4 divisors (see below), whose sum is σ = 629743407048. Its totient is φ = 614749516240.

The previous prime is 622246461587. The next prime is 622246461671. The reversal of 622246461643 is 346164642226.

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

It is a cyclic number.

It is not a de Polignac number, because 622246461643 - 2²⁹ = 621709590731 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 622246461593 and 622246461602.

It is not an unprimeable number, because it can be changed into a prime (622246461673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3748472578 + ... + 3748472743.

It is an arithmetic number, because the mean of its divisors is an integer number (157435851762).

Almost surely, 2^622246461643 is an apocalyptic number.

622246461643 is a deficient number, since it is larger than the sum of its proper divisors (7496945405).

622246461643 is an equidigital number, since it uses as much as digits as its factorization.

622246461643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7496945404.

The product of its digits is 1990656, while the sum is 46.

The spelling of 622246461643 in words is "six hundred twenty-two billion, two hundred forty-six million, four hundred sixty-one thousand, six hundred forty-three".