622105361898 has 8 divisors (see below), whose sum is σ = 1244210723808. Its totient is φ = 207368453964.

The previous prime is 622105361897. The next prime is 622105361903. The reversal of 622105361898 is 898163501226.

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

622105361898 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 622105361898.

It is not an unprimeable number, because it can be changed into a prime (622105361897) 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, 51842113486 + ... + 51842113497.

It is an arithmetic number, because the mean of its divisors is an integer number (155526340476).

Almost surely, 2^622105361898 is an apocalyptic number.

622105361898 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

622105361898 is a wasteful number, since it uses less digits than its factorization.

622105361898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103684226988.

The product of its (nonzero) digits is 1244160, while the sum is 51.

The spelling of 622105361898 in words is "six hundred twenty-two billion, one hundred five million, three hundred sixty-one thousand, eight hundred ninety-eight".