622622135642 has 8 divisors (see below), whose sum is σ = 1005774219156. Its totient is φ = 287364062592.

The previous prime is 622622135633. The next prime is 622622135647. The reversal of 622622135642 is 246531226226.

It can be written as a sum of positive squares in 2 ways, for example, as 482078873761 + 140543261881 = 694319^2 + 374891^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 622622135642.

It is not an unprimeable number, because it can be changed into a prime (622622135647) 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, 11973502583 + ... + 11973502634.

Almost surely, 2^622622135642 is an apocalyptic number.

622622135642 is a deficient number, since it is larger than the sum of its proper divisors (383152083514).

622622135642 is a wasteful number, since it uses less digits than its factorization.

622622135642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23947005232.

The product of its digits is 414720, while the sum is 41.

The spelling of 622622135642 in words is "six hundred twenty-two billion, six hundred twenty-two million, one hundred thirty-five thousand, six hundred forty-two".